diff --git a/backend/app/api/auth.py b/backend/app/api/auth.py
index 27bce42..1eebb36 100644
--- a/backend/app/api/auth.py
+++ b/backend/app/api/auth.py
@@ -39,6 +39,8 @@ class UserCreate(BaseModel):
     username: str
     email: str
     password: str
+    agreed_terms: bool = False
+    agreed_terms_version: str | None = None
 
     @field_validator("email")
     @classmethod
@@ -47,6 +49,13 @@ class UserCreate(BaseModel):
             raise ValueError("邮箱格式无效")
         return v.lower()
 
+    @field_validator("agreed_terms")
+    @classmethod
+    def must_agree_terms(cls, v: bool) -> bool:
+        if not v:
+            raise ValueError("必须同意用户协议和隐私政策")
+        return v
+
 
 class UserResponse(BaseModel):
     """用户响应模型"""
@@ -54,6 +63,7 @@ class UserResponse(BaseModel):
     username: str
     email: str
     role: str
+    phone: str | None = None
 
     class Config:
         from_attributes = True
@@ -65,6 +75,9 @@ class MeResponse(BaseModel):
     username: str
     email: str
     role: str
+    phone: str | None = None
+    status: str = "active"
+    is_email_verified: bool = False
     workspaces: list = []
     current_workspace_id: str | None = None
 
@@ -91,7 +104,10 @@ async def register(user_data: UserCreate, db: Session = Depends(get_db)):
     user = User(
         username=user_data.username,
         email=user_data.email,
-        password_hash=hashed_password
+        password_hash=hashed_password,
+        agreed_terms=user_data.agreed_terms,
+        agreed_terms_version=user_data.agreed_terms_version,
+        agreed_terms_at=datetime.utcnow() if user_data.agreed_terms else None,
     )
     db.add(user)
     db.commit()
@@ -180,6 +196,8 @@ async def get_current_user(
     user = db.query(User).filter(User.id == user_id).first()
     if user is None:
         raise NotFoundError("用户", user_id)
+    if user.status == "deleted":
+        raise UnauthorizedError("账号已注销")
 
     return user
 
@@ -213,6 +231,9 @@ async def get_me(
         "username": user.username,
         "email": user.email,
         "role": user.role,
+        "phone": user.phone,
+        "status": user.status or "active",
+        "is_email_verified": user.is_email_verified or False,
         "workspaces": workspaces,
         "current_workspace_id": current_ws_id if current_ws_id else None,
     }
@@ -423,6 +444,99 @@ async def reset_password(body: ResetPasswordRequest, db: Session = Depends(get_d
     return {"message": "密码重置成功，请使用新密码登录"}
 
 
+# ─── 修改密码 ───────────────────────────────────────────────
+
+class ChangePasswordRequest(BaseModel):
+    old_password: str
+    new_password: str
+
+    @field_validator("new_password")
+    @classmethod
+    def password_length(cls, v: str) -> str:
+        if len(v) < 6:
+            raise ValueError("密码不少于6个字符")
+        if len(v) > 32:
+            raise ValueError("密码不超过32个字符")
+        return v
+
+
+@router.put("/change-password")
+async def change_password(
+    body: ChangePasswordRequest,
+    current_user: User = Depends(get_current_user),
+    db: Session = Depends(get_db),
+):
+    """修改密码（需提供旧密码验证）。"""
+    if not verify_password(body.old_password, current_user.password_hash):
+        raise HTTPException(status_code=400, detail="旧密码错误")
+
+    current_user.password_hash = get_password_hash(body.new_password)
+    db.commit()
+
+    logger.info("用户 %s 修改密码成功", current_user.username)
+    return {"message": "密码修改成功"}
+
+
+# ─── 账号注销 ───────────────────────────────────────────────
+
+class DeleteAccountRequest(BaseModel):
+    password: str
+
+
+@router.delete("/account")
+async def delete_account(
+    body: DeleteAccountRequest,
+    current_user: User = Depends(get_current_user),
+    db: Session = Depends(get_db),
+):
+    """注销账号（需提供密码确认）。软删除：设置 status='deleted'。"""
+    if not verify_password(body.password, current_user.password_hash):
+        raise HTTPException(status_code=400, detail="密码错误")
+
+    # 软删除用户
+    current_user.status = "deleted"
+    current_user.email = f"deleted_{current_user.id}@deleted.local"
+    current_user.phone = None
+    current_user.feishu_open_id = None
+    db.commit()
+
+    logger.info("用户 %s 账号已注销", current_user.username)
+    return {"message": "账号已注销"}
+
+
+# ─── 绑定手机号 ──────────────────────────────────────────────
+
+class BindPhoneRequest(BaseModel):
+    phone: str
+    code: str | None = None  # 验证码（对接短信服务后可启用）
+
+    @field_validator("phone")
+    @classmethod
+    def phone_format(cls, v: str) -> str:
+        if not re.match(r"^1[3-9]\d{9}$", v):
+            raise ValueError("手机号格式无效")
+        return v
+
+
+@router.put("/phone")
+async def bind_phone(
+    body: BindPhoneRequest,
+    current_user: User = Depends(get_current_user),
+    db: Session = Depends(get_db),
+):
+    """绑定或修改手机号。"""
+    # 检查手机号是否已被其他用户绑定
+    existing = db.query(User).filter(User.phone == body.phone, User.id != current_user.id).first()
+    if existing:
+        raise ConflictError("该手机号已被其他用户绑定")
+
+    current_user.phone = body.phone
+    db.commit()
+
+    logger.info("用户 %s 绑定手机号成功", current_user.username)
+    return {"message": "手机号绑定成功", "phone": body.phone}
+
+
 async def get_optional_user(
     token: str | None = Depends(oauth2_scheme_optional),
     db: Session = Depends(get_db)
diff --git a/backend/app/api/legal.py b/backend/app/api/legal.py
new file mode 100644
index 0000000..5e22e50
--- /dev/null
+++ b/backend/app/api/legal.py
@@ -0,0 +1,161 @@
+"""
+用户协议 & 隐私政策 API
+"""
+from fastapi import APIRouter, Depends
+from pydantic import BaseModel
+from sqlalchemy.orm import Session
+from datetime import datetime
+
+from app.core.database import get_db
+from app.core.exceptions import ConflictError
+from app.api.auth import get_current_user
+from app.models.user import User
+
+router = APIRouter(
+    prefix="/api/v1/legal",
+    tags=["legal"],
+)
+
+# ─── 协议版本 ───────────────────────────────────────────────
+
+CURRENT_TERMS_VERSION = "1.0"
+CURRENT_PRIVACY_VERSION = "1.0"
+
+# ─── 内容 ───────────────────────────────────────────────────
+
+PRIVACY_POLICY = """# 天工智能体平台 隐私政策
+
+**更新日期：2026年7月1日**
+**生效日期：2026年7月1日**
+
+## 一、信息收集
+
+1. 您在注册账户时提供的个人信息，包括用户名、邮箱地址和手机号码。
+2. 您在使用智能体对话功能时产生的对话内容和交互记录。
+3. 设备信息：我们可能收集您的设备型号、操作系统版本、设备标识符等信息用于优化服务。
+
+## 二、信息使用
+
+1. 为您提供智能体对话、语音识别、推送通知等核心服务。
+2. 改善产品质量和用户体验，包括对话模型的训练和优化。
+3. 提供客户支持和故障排除。
+
+## 三、信息存储和保护
+
+1. 您的数据存储在中国境内的服务器上。
+2. 我们采用加密传输、访问控制、数据备份等安全措施保护您的信息。
+3. 对话数据在您主动删除或账号注销后将在30天内清除。
+
+## 四、信息共享
+
+1. 未经您的明确同意，我们不会将您的个人信息共享给第三方。
+2. 法律法规要求披露的除外。
+
+## 五、您的权利
+
+1. 您可以随时查看、修改您的个人信息。
+2. 您可以导出您的对话数据。
+3. 您可以注销账号并要求删除数据。
+
+## 六、联系我们
+
+如有隐私相关问题，请联系：support@tiangong.ai
+"""
+
+USER_AGREEMENT = """# 天工智能体平台 用户协议
+
+**更新日期：2026年7月1日**
+**生效日期：2026年7月1日**
+
+## 一、总则
+
+1. 天工智能体平台（以下简称"本平台"）是一个提供AI智能体服务的在线平台。
+2. 您注册和使用本平台即表示您已阅读、理解并同意本协议的全部条款。
+
+## 二、账号管理
+
+1. 您应当提供真实、准确的注册信息。
+2. 您对账号下的所有活动负责，请妥善保管账号和密码。
+3. 您不得将账号转让、出借或出售给他人。
+
+## 三、使用规范
+
+1. 您不得利用本平台从事违法活动，包括但不限于：
+   - 生成、传播违法或有害内容
+   - 侵犯他人知识产权或隐私权
+   - 干扰或破坏平台正常运行
+2. 您不得对智能体进行恶意引导、注入攻击或其他危害系统安全的行为。
+
+## 四、知识产权
+
+1. 平台本身的软件、界面设计、商标等知识产权归平台所有。
+2. 您创建的智能体配置归您所有。
+3. 您与智能体对话产生的内容归您所有。
+
+## 五、免责声明
+
+1. AI生成内容仅供参考，不构成专业建议。
+2. 平台不对AI生成内容的准确性、完整性负责。
+3. 因不可抗力或第三方原因导致的服务中断，平台不承担责任。
+
+## 六、协议变更
+
+1. 我们可能会不时更新本协议，更新后会通过应用内通知告知。
+2. 如果您不同意更新后的条款，您可以停止使用本平台并注销账号。
+
+## 七、法律适用与争议解决
+
+1. 本协议适用中华人民共和国法律。
+2. 因本协议产生的争议，双方应协商解决；协商不成的，提交平台所在地法院管辖。
+"""
+
+
+# ─── Response/Request Models ──────────────────────────────────
+
+class LegalContentResponse(BaseModel):
+    content: str
+    version: str
+
+
+class AgreeRequest(BaseModel):
+    terms_version: str | None = None
+    privacy_version: str | None = None
+
+
+class AgreeResponse(BaseModel):
+    message: str
+    agreed_terms: bool
+    agreed_terms_version: str
+
+
+# ─── Endpoints ────────────────────────────────────────────────
+
+@router.get("/privacy", response_model=LegalContentResponse)
+async def get_privacy_policy():
+    """获取隐私政策内容。"""
+    return LegalContentResponse(content=PRIVACY_POLICY, version=CURRENT_PRIVACY_VERSION)
+
+
+@router.get("/terms", response_model=LegalContentResponse)
+async def get_user_agreement():
+    """获取用户协议内容。"""
+    return LegalContentResponse(content=USER_AGREEMENT, version=CURRENT_TERMS_VERSION)
+
+
+@router.post("/agree", response_model=AgreeResponse)
+async def agree_terms(
+    body: AgreeRequest,
+    current_user: User = Depends(get_current_user),
+    db: Session = Depends(get_db),
+):
+    """记录用户同意协议。"""
+    current_user.agreed_terms = True
+    current_user.agreed_terms_version = body.terms_version or CURRENT_TERMS_VERSION
+    current_user.agreed_terms_at = datetime.utcnow()
+    db.commit()
+
+    return AgreeResponse(
+        message="协议同意已记录",
+        agreed_terms=True,
+        agreed_terms_version=current_user.agreed_terms_version,
+    )
diff --git a/backend/app/core/config.py b/backend/app/core/config.py
index 806b835..ed6397e 100644
--- a/backend/app/core/config.py
+++ b/backend/app/core/config.py
@@ -110,6 +110,10 @@ class Settings(BaseSettings):
     FEISHU_APP_SECRET: str = ""
     FEISHU_VERIFICATION_TOKEN: str = ""
 
+    # 平台管理员凭据（所有 bootstrap 脚本从环境变量读取，不再硬编码默认值）
+    PLATFORM_USERNAME: str = ""
+    PLATFORM_PASSWORD: str = ""
+
     # 安全加固 — HSTS（生产环境建议启用，开发环境保持关闭）
     HSTS_ENABLED: bool = False
     HSTS_MAX_AGE: int = 31536000  # 默认 1 年
diff --git a/backend/app/main.py b/backend/app/main.py
index 4a09eb0..22e2c38 100644
--- a/backend/app/main.py
+++ b/backend/app/main.py
@@ -510,7 +510,7 @@ async def startup_event():
         logger.error(f"定时任务调度器启动失败: {e}")
 
 # 注册路由
-from app.api import auth, workspaces, uploads, workflows, executions, websocket, execution_logs, data_sources, agents, platform_templates, model_configs, webhooks, template_market, batch_operations, collaboration, permissions, monitoring, alert_rules, node_test, node_templates, tools, agent_chat, agent_branches, agent_monitoring, knowledge_base, knowledge_dashboard, agent_schedules, notifications, feishu_bind, approval, orchestration_templates, plugins, agent_market, goals, tasks, system_logs, audit_logs, feedback, agent_swarm, push, voice, fcm, scene_contracts, teams, agent_memory
+from app.api import auth, workspaces, uploads, workflows, executions, websocket, execution_logs, data_sources, agents, platform_templates, model_configs, webhooks, template_market, batch_operations, collaboration, permissions, monitoring, alert_rules, node_test, node_templates, tools, agent_chat, agent_branches, agent_monitoring, knowledge_base, knowledge_dashboard, agent_schedules, notifications, feishu_bind, approval, orchestration_templates, plugins, agent_market, goals, tasks, system_logs, audit_logs, feedback, agent_swarm, push, voice, fcm, scene_contracts, teams, agent_memory, legal
 
 app.include_router(auth.router)
 app.include_router(workspaces.router)
@@ -557,6 +557,7 @@ app.include_router(knowledge_dashboard.router)
 app.include_router(scene_contracts.router)
 app.include_router(teams.router)
 app.include_router(agent_memory.router)
+app.include_router(legal.router)
 
 if __name__ == "__main__":
     import uvicorn
diff --git a/backend/app/models/user.py b/backend/app/models/user.py
index 269e072..769e30b 100644
--- a/backend/app/models/user.py
+++ b/backend/app/models/user.py
@@ -1,7 +1,7 @@
 """
 用户模型
 """
-from sqlalchemy import Column, String, DateTime, func
+from sqlalchemy import Boolean, Column, String, DateTime, func
 from sqlalchemy.dialects.mysql import CHAR
 from sqlalchemy.orm import relationship
 from app.core.database import Base
@@ -19,6 +19,12 @@ class User(Base):
     role = Column(String(20), default="user", comment="角色: admin/user（保留字段，用于向后兼容）")
     feishu_open_id = Column(String(64), nullable=True, comment="飞书用户 open_id，用于推送通知")
     feishu_default_agent_id = Column(CHAR(36), nullable=True, comment="飞书对话默认 Agent ID")
+    phone = Column(String(20), nullable=True, comment="手机号")
+    status = Column(String(20), default="active", comment="账号状态: active/disabled/deleted")
+    is_email_verified = Column(Boolean, default=False, comment="邮箱是否已验证")
+    agreed_terms = Column(Boolean, default=False, comment="是否同意用户协议")
+    agreed_terms_version = Column(String(20), nullable=True, comment="同意的协议版本")
+    agreed_terms_at = Column(DateTime, nullable=True, comment="同意协议的时间")
     created_at = Column(DateTime, default=func.now(), comment="创建时间")
     updated_at = Column(DateTime, default=func.now(), onupdate=func.now(), comment="更新时间")
 
diff --git a/backend/scripts/bootstrap_scene_templates.py b/backend/scripts/bootstrap_scene_templates.py
index 2e9380f..c7ccbfd 100644
--- a/backend/scripts/bootstrap_scene_templates.py
+++ b/backend/scripts/bootstrap_scene_templates.py
@@ -22,8 +22,8 @@ from typing import Any, Dict, List, Optional, Tuple
 import requests
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 
 TEMPLATES: List[Tuple[str, str, str]] = [
     ("模板-客服标准", "知你客服14号", "场景模板：标准客服 + 全量工具基线"),
diff --git a/backend/scripts/compare_homework_agents.py b/backend/scripts/compare_homework_agents.py
index 40bddf4..cf53666 100644
--- a/backend/scripts/compare_homework_agents.py
+++ b/backend/scripts/compare_homework_agents.py
@@ -16,8 +16,8 @@ from typing import Any, Dict, List, Optional
 import requests
 
 BACKEND = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 
 NAMES = ["学生作业管理助手", "学生作业管理助手2号"]
 
diff --git a/backend/scripts/create_ai_learning_assistant.py b/backend/scripts/create_ai_learning_assistant.py
index 851fe19..91afd3b 100644
--- a/backend/scripts/create_ai_learning_assistant.py
+++ b/backend/scripts/create_ai_learning_assistant.py
@@ -25,8 +25,8 @@ from typing import Any, Dict, Optional
 import requests
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 AGENT_NAME = os.getenv("AGENT_NAME", "AI学习助手")
 MODEL = os.getenv("MODEL", "deepseek-v4-flash")
 PROVIDER = os.getenv("PROVIDER", "deepseek")
diff --git a/backend/scripts/create_complex_enterprise_agent.py b/backend/scripts/create_complex_enterprise_agent.py
index b4114b9..dc0b2d0 100644
--- a/backend/scripts/create_complex_enterprise_agent.py
+++ b/backend/scripts/create_complex_enterprise_agent.py
@@ -159,8 +159,8 @@ def _via_requests() -> int:
     import requests
 
     base = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
-    user = os.getenv("PLATFORM_USERNAME", "admin")
-    pwd = os.getenv("PLATFORM_PASSWORD", "123456")
+    user = os.getenv("PLATFORM_USERNAME")
+    pwd = os.getenv("PLATFORM_PASSWORD")
     wf = build_complex_workflow()
     _validate_local(wf)
 
@@ -250,8 +250,8 @@ def _via_testclient() -> int:
     lr = c.post(
         "/api/v1/auth/login",
         data={
-            "username": os.getenv("PLATFORM_USERNAME", "admin"),
-            "password": os.getenv("PLATFORM_PASSWORD", "123456"),
+            "username": os.getenv("PLATFORM_USERNAME"),
+            "password": os.getenv("PLATFORM_PASSWORD"),
         },
         headers={"Content-Type": "application/x-www-form-urlencoded"},
     )
diff --git a/backend/scripts/create_education_agents_batch.py b/backend/scripts/create_education_agents_batch.py
index 166e32b..0374e84 100644
--- a/backend/scripts/create_education_agents_batch.py
+++ b/backend/scripts/create_education_agents_batch.py
@@ -31,8 +31,8 @@ if BACKEND_DIR not in sys.path:
     sys.path.insert(0, BACKEND_DIR)
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 
 PROVIDER = os.getenv(
     "EDU_LLM_PROVIDER",
diff --git a/backend/scripts/create_enterprise_scenario_agents.py b/backend/scripts/create_enterprise_scenario_agents.py
index 2a60a3f..37b5269 100644
--- a/backend/scripts/create_enterprise_scenario_agents.py
+++ b/backend/scripts/create_enterprise_scenario_agents.py
@@ -506,8 +506,8 @@ def main(argv: Optional[List[str]] = None) -> int:
         lr = c.post(
             "/api/v1/auth/login",
             data={
-                "username": os.getenv("PLATFORM_USERNAME", "admin"),
-                "password": os.getenv("PLATFORM_PASSWORD", "123456"),
+                "username": os.getenv("PLATFORM_USERNAME"),
+                "password": os.getenv("PLATFORM_PASSWORD"),
             },
             headers={"Content-Type": "application/x-www-form-urlencoded"},
         )
@@ -534,8 +534,8 @@ def main(argv: Optional[List[str]] = None) -> int:
         lr = requests.post(
             f"{base}/api/v1/auth/login",
             data={
-                "username": os.getenv("PLATFORM_USERNAME", "admin"),
-                "password": os.getenv("PLATFORM_PASSWORD", "123456"),
+                "username": os.getenv("PLATFORM_USERNAME"),
+                "password": os.getenv("PLATFORM_PASSWORD"),
             },
             headers={"Content-Type": "application/x-www-form-urlencoded"},
             timeout=20,
diff --git a/backend/scripts/create_gov_media_agents_batch.py b/backend/scripts/create_gov_media_agents_batch.py
index ef5d004..3a492c7 100644
--- a/backend/scripts/create_gov_media_agents_batch.py
+++ b/backend/scripts/create_gov_media_agents_batch.py
@@ -30,8 +30,8 @@ if BACKEND_DIR not in sys.path:
     sys.path.insert(0, BACKEND_DIR)
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 
 PROVIDER = os.getenv(
     "CROSS_LLM_PROVIDER",
diff --git a/backend/scripts/create_homework_manager_agent.py b/backend/scripts/create_homework_manager_agent.py
index 08c2f70..68728d6 100644
--- a/backend/scripts/create_homework_manager_agent.py
+++ b/backend/scripts/create_homework_manager_agent.py
@@ -34,8 +34,8 @@ if BACKEND_DIR not in sys.path:
     sys.path.insert(0, BACKEND_DIR)
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 AGENT_NAME = os.getenv("AGENT_NAME", "学生作业管理助手")
 FAST_PROFILE = "2号" in AGENT_NAME or os.getenv("HOMEWORK_FAST_AGENT", "").strip().lower() in (
     "1",
diff --git a/backend/scripts/create_intelligent_tutor_agent.py b/backend/scripts/create_intelligent_tutor_agent.py
index bd1eef0..91ea18d 100644
--- a/backend/scripts/create_intelligent_tutor_agent.py
+++ b/backend/scripts/create_intelligent_tutor_agent.py
@@ -24,8 +24,8 @@ if BACKEND_DIR not in sys.path:
     sys.path.insert(0, BACKEND_DIR)
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 AGENT_NAME = os.getenv("AGENT_NAME", "智能助教")
 
 PROVIDER = os.getenv("TUTOR_LLM_PROVIDER", os.getenv("ENTERPRISE_LLM_PROVIDER", "deepseek"))
diff --git a/backend/scripts/create_learning_assistant_agent.py b/backend/scripts/create_learning_assistant_agent.py
index fbe31a0..4c9e136 100644
--- a/backend/scripts/create_learning_assistant_agent.py
+++ b/backend/scripts/create_learning_assistant_agent.py
@@ -29,8 +29,8 @@ from typing import Any, Dict, List, Optional
 import requests
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 AGENT_NAME = os.getenv("AGENT_NAME", "智能学习助手(KG+RAG)")
 SUBJECT = os.getenv("SUBJECT", "通用")
 LEVEL = os.getenv("LEVEL", "中级")
diff --git a/backend/scripts/create_learning_assistant_agent_v1.py b/backend/scripts/create_learning_assistant_agent_v1.py
index 4ccf948..4aa965d 100644
--- a/backend/scripts/create_learning_assistant_agent_v1.py
+++ b/backend/scripts/create_learning_assistant_agent_v1.py
@@ -33,8 +33,8 @@ from typing import Any, Dict, Optional
 import requests
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 AGENT_NAME = os.getenv("AGENT_NAME", "智能学习助手1号")
 SUBJECT = os.getenv("SUBJECT", "通用")
 LEVEL = os.getenv("LEVEL", "中级")
diff --git a/backend/scripts/create_main_agent.py b/backend/scripts/create_main_agent.py
index 6c17f5e..b6a5575 100644
--- a/backend/scripts/create_main_agent.py
+++ b/backend/scripts/create_main_agent.py
@@ -23,8 +23,8 @@ from typing import Any, Dict, Optional
 import requests
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 SOURCE_NAME = os.getenv("SOURCE_AGENT_NAME", "知你客服14号")
 TARGET_NAME = os.getenv("TARGET_NAME", "主控台Main Agent")
 
diff --git a/backend/scripts/create_router_invoke_demo_agent.py b/backend/scripts/create_router_invoke_demo_agent.py
index 4a89720..bbec0ff 100644
--- a/backend/scripts/create_router_invoke_demo_agent.py
+++ b/backend/scripts/create_router_invoke_demo_agent.py
@@ -29,8 +29,8 @@ from typing import Any, Dict, List, Optional
 import requests
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 CHILD_AGENT_NAME = os.getenv("CHILD_AGENT_NAME", "知你客服16号")
 DEMO_AGENT_NAME = os.getenv("DEMO_AGENT_NAME", "演示-主链路委派invoke")
 
diff --git a/backend/scripts/create_zhini_kefu_10.py b/backend/scripts/create_zhini_kefu_10.py
index 4ff338a..dd9564a 100644
--- a/backend/scripts/create_zhini_kefu_10.py
+++ b/backend/scripts/create_zhini_kefu_10.py
@@ -20,8 +20,8 @@ import requests
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
 SOURCE_AGENT_ID = os.getenv("ZHINI_9_AGENT_ID", "de5932d6-3c05-4b27-ab08-f6cb403ce4b9")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 
 NEW_NAME = "知你客服10号"
 NEW_DESC = (
diff --git a/backend/scripts/create_zhini_kefu_11.py b/backend/scripts/create_zhini_kefu_11.py
index 034032b..91531e7 100644
--- a/backend/scripts/create_zhini_kefu_11.py
+++ b/backend/scripts/create_zhini_kefu_11.py
@@ -16,8 +16,8 @@ import requests
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
 SOURCE_AGENT_ID = os.getenv("ZHINI_10_AGENT_ID", "c853482b-d298-44e4-9862-c84318f71abb")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 
 NEW_NAME = "知你客服11号"
 NEW_DESC = (
diff --git a/backend/scripts/create_zhini_kefu_12.py b/backend/scripts/create_zhini_kefu_12.py
index 6b98f05..3f467f3 100644
--- a/backend/scripts/create_zhini_kefu_12.py
+++ b/backend/scripts/create_zhini_kefu_12.py
@@ -16,8 +16,8 @@ import requests
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
 SOURCE_AGENT_ID = os.getenv("ZHINI_11_AGENT_ID", "d39748ad-277f-48ac-9eb5-168ad2f1b470")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 
 NEW_NAME = "知你客服12号"
 NEW_DESC = (
diff --git a/backend/scripts/create_zhini_kefu_13.py b/backend/scripts/create_zhini_kefu_13.py
index 1dce4ff..7724116 100644
--- a/backend/scripts/create_zhini_kefu_13.py
+++ b/backend/scripts/create_zhini_kefu_13.py
@@ -27,8 +27,8 @@ from typing import Any, Dict, List, Optional, Tuple
 import requests
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 SOURCE_NAME = os.getenv("SOURCE_AGENT_NAME", "知你客服12号")
 TARGET_NAME = os.getenv("TARGET_NAME", "知你客服13号")
 
diff --git a/backend/scripts/create_zhini_kefu_14.py b/backend/scripts/create_zhini_kefu_14.py
index 9a4f408..6d1d1c8 100644
--- a/backend/scripts/create_zhini_kefu_14.py
+++ b/backend/scripts/create_zhini_kefu_14.py
@@ -27,8 +27,8 @@ from typing import Any, Dict, List, Optional, Tuple
 import requests
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 SOURCE_NAME = os.getenv("SOURCE_AGENT_NAME", "知你客服13号")
 TARGET_NAME = os.getenv("TARGET_NAME", "知你客服14号")
 
diff --git a/backend/scripts/create_zhini_kefu_15.py b/backend/scripts/create_zhini_kefu_15.py
index 166367e..ecf0e4e 100644
--- a/backend/scripts/create_zhini_kefu_15.py
+++ b/backend/scripts/create_zhini_kefu_15.py
@@ -26,8 +26,8 @@ from typing import Any, Dict, List, Optional, Tuple
 import requests
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 SOURCE_NAME = os.getenv("SOURCE_AGENT_NAME", "知你客服14号")
 TARGET_NAME = os.getenv("TARGET_NAME", "知你客服15号")
 
diff --git a/backend/scripts/create_zhini_kefu_16.py b/backend/scripts/create_zhini_kefu_16.py
index 08bf35d..c4044fd 100644
--- a/backend/scripts/create_zhini_kefu_16.py
+++ b/backend/scripts/create_zhini_kefu_16.py
@@ -29,8 +29,8 @@ from typing import Any, Dict, List, Optional, Tuple
 import requests
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 SOURCE_NAME = os.getenv("SOURCE_AGENT_NAME", "知你客服15号")
 TARGET_NAME = os.getenv("TARGET_NAME", "知你客服16号")
 
diff --git a/backend/scripts/create_zhini_kefu_17.py b/backend/scripts/create_zhini_kefu_17.py
index e26da7a..424769c 100644
--- a/backend/scripts/create_zhini_kefu_17.py
+++ b/backend/scripts/create_zhini_kefu_17.py
@@ -24,8 +24,8 @@ from typing import Any, Dict, List, Optional, Tuple
 import requests
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 SOURCE_NAME = os.getenv("SOURCE_AGENT_NAME", "知你客服15号")
 TARGET_NAME = os.getenv("TARGET_NAME", "知你客服17号")
 
diff --git a/backend/scripts/create_zhini_kefu_7.py b/backend/scripts/create_zhini_kefu_7.py
index 9d67ab8..065d360 100644
--- a/backend/scripts/create_zhini_kefu_7.py
+++ b/backend/scripts/create_zhini_kefu_7.py
@@ -17,8 +17,8 @@ import requests
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
 SOURCE_AGENT_ID = os.getenv("ZHINI_6_AGENT_ID", "2acc84d5-814b-4d61-9703-94a4b117375f")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 
 NEW_NAME = "知你客服7号"
 NEW_DESC = (
diff --git a/backend/scripts/create_zhini_kefu_8.py b/backend/scripts/create_zhini_kefu_8.py
index 934ff91..6c0ec0d 100644
--- a/backend/scripts/create_zhini_kefu_8.py
+++ b/backend/scripts/create_zhini_kefu_8.py
@@ -19,8 +19,8 @@ import requests
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
 # 默认从 7 号复制；也可通过环境变量指定
 SOURCE_AGENT_ID = os.getenv("ZHINI_7_AGENT_ID", "688c2c41-dcd1-4285-b193-6bed00c485c2")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 
 NEW_NAME = "知你客服8号"
 NEW_DESC = (
diff --git a/backend/scripts/create_zhini_kefu_9.py b/backend/scripts/create_zhini_kefu_9.py
index 94b8467..695c5da 100644
--- a/backend/scripts/create_zhini_kefu_9.py
+++ b/backend/scripts/create_zhini_kefu_9.py
@@ -20,8 +20,8 @@ import requests
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
 SOURCE_AGENT_ID = os.getenv("ZHINI_8_AGENT_ID", "d7b64bf6-c8e3-4dc7-befc-03a98d5ff741")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 
 NEW_NAME = "知你客服9号"
 NEW_DESC = (
diff --git a/backend/scripts/debug_cache_query.py b/backend/scripts/debug_cache_query.py
index 9d9946a..85925c6 100644
--- a/backend/scripts/debug_cache_query.py
+++ b/backend/scripts/debug_cache_query.py
@@ -1,3 +1,4 @@
+import os
 """单次执行后打印 cache-query 与 llm-unified 输出，用于排查记忆。"""
 import json
 import requests
@@ -9,7 +10,7 @@ MSG = "我叫李小红"
 
 r = requests.post(
     B + "/api/v1/auth/login",
-    data={"username": "admin", "password": "123456"},
+    data={"username": os.getenv("PLATFORM_USERNAME"), "password": os.getenv("PLATFORM_PASSWORD")},
     headers={"Content-Type": "application/x-www-form-urlencoded"},
     timeout=15,
 )
diff --git a/backend/scripts/e2e_enterprise_multilane_agent.py b/backend/scripts/e2e_enterprise_multilane_agent.py
index b1d1380..de751b9 100644
--- a/backend/scripts/e2e_enterprise_multilane_agent.py
+++ b/backend/scripts/e2e_enterprise_multilane_agent.py
@@ -42,8 +42,8 @@ def _login_requests(base: str) -> Dict[str, str]:
     r = requests.post(
         f"{base}/api/v1/auth/login",
         data={
-            "username": os.getenv("PLATFORM_USERNAME", "admin"),
-            "password": os.getenv("PLATFORM_PASSWORD", "123456"),
+            "username": os.getenv("PLATFORM_USERNAME"),
+            "password": os.getenv("PLATFORM_PASSWORD"),
         },
         headers={"Content-Type": "application/x-www-form-urlencoded"},
         timeout=20,
@@ -189,8 +189,8 @@ def _run_testclient() -> int:
     r = c.post(
         "/api/v1/auth/login",
         data={
-            "username": os.getenv("PLATFORM_USERNAME", "admin"),
-            "password": os.getenv("PLATFORM_PASSWORD", "123456"),
+            "username": os.getenv("PLATFORM_USERNAME"),
+            "password": os.getenv("PLATFORM_PASSWORD"),
         },
         headers={"Content-Type": "application/x-www-form-urlencoded"},
     )
diff --git a/backend/scripts/e2e_platform_capability_smoke.py b/backend/scripts/e2e_platform_capability_smoke.py
index 003be70..4370dea 100644
--- a/backend/scripts/e2e_platform_capability_smoke.py
+++ b/backend/scripts/e2e_platform_capability_smoke.py
@@ -26,8 +26,8 @@ from typing import Any, Dict
 import requests
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 
 
 def _h() -> Dict[str, str]:
diff --git a/backend/scripts/e2e_platform_capability_smoke_testclient.py b/backend/scripts/e2e_platform_capability_smoke_testclient.py
index 7ac4bb0..252b7af 100644
--- a/backend/scripts/e2e_platform_capability_smoke_testclient.py
+++ b/backend/scripts/e2e_platform_capability_smoke_testclient.py
@@ -23,7 +23,7 @@ def main() -> int:
     c = TestClient(app)
     r = c.post(
         "/api/v1/auth/login",
-        data={"username": os.getenv("PLATFORM_USERNAME", "admin"), "password": os.getenv("PLATFORM_PASSWORD", "123456")},
+        data={"username": os.getenv("PLATFORM_USERNAME"), "password": os.getenv("PLATFORM_PASSWORD")},
         headers={"Content-Type": "application/x-www-form-urlencoded"},
     )
     if r.status_code != 200:
diff --git a/backend/scripts/e2e_router_invoke_demo.py b/backend/scripts/e2e_router_invoke_demo.py
index c97279b..a357aaf 100644
--- a/backend/scripts/e2e_router_invoke_demo.py
+++ b/backend/scripts/e2e_router_invoke_demo.py
@@ -19,8 +19,8 @@ from typing import Any, Dict, Optional
 import requests
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 DEMO_AGENT_NAME = os.getenv("DEMO_AGENT_NAME", "演示-主链路委派invoke")
 
 
diff --git a/backend/scripts/e2e_subworkflow_chain.py b/backend/scripts/e2e_subworkflow_chain.py
index 9afb7d0..4a692ea 100644
--- a/backend/scripts/e2e_subworkflow_chain.py
+++ b/backend/scripts/e2e_subworkflow_chain.py
@@ -14,8 +14,8 @@ from typing import Any, Dict, Optional
 import requests
 
 BASE = os.getenv("PLATFORM_BASE_URL", "http://127.0.0.1:8037").rstrip("/")
-USER = os.getenv("PLATFORM_USERNAME", "admin")
-PWD = os.getenv("PLATFORM_PASSWORD", "123456")
+USER = os.getenv("PLATFORM_USERNAME")
+PWD = os.getenv("PLATFORM_PASSWORD")
 
 CHILD_NAME = "E2E-Subworkflow-Child"
 PARENT_NAME = "E2E-Subworkflow-Parent"
diff --git a/backend/scripts/generate_android_agent.py b/backend/scripts/generate_android_agent.py
index 16909e1..69785be 100755
--- a/backend/scripts/generate_android_agent.py
+++ b/backend/scripts/generate_android_agent.py
@@ -15,7 +15,7 @@ from datetime import datetime
 import uuid
 
 
-def generate_android_agent(db: Session, username: str = "admin"):
+def generate_android_agent(db: Session, username: str | None = None):
     """生成Android应用开发助手Agent"""
     print("=" * 60)
     print("生成Android应用开发助手Agent")
@@ -385,7 +385,7 @@ def main():
     """主函数"""
     db = SessionLocal()
     try:
-        generate_android_agent(db, username="admin")
+        generate_android_agent(db, username=os.getenv("PLATFORM_USERNAME"))
     finally:
         db.close()
 
diff --git a/backend/scripts/generate_batch_agents.py b/backend/scripts/generate_batch_agents.py
index 2c566a8..a49ccd5 100755
--- a/backend/scripts/generate_batch_agents.py
+++ b/backend/scripts/generate_batch_agents.py
@@ -524,7 +524,7 @@ def generate_creative_writing_agent(db: Session, user: User):
     }
 
 
-def generate_batch_agents(db: Session, username: str = "admin"):
+def generate_batch_agents(db: Session, username: str | None = None):
     """批量生成Agent"""
     print("=" * 60)
     print("批量生成Agent")
@@ -617,7 +617,7 @@ def main():
     """主函数"""
     db = SessionLocal()
     try:
-        generate_batch_agents(db, username="admin")
+        generate_batch_agents(db, username=os.getenv("PLATFORM_USERNAME"))
     finally:
         db.close()
 
diff --git a/backend/scripts/generate_chat_agent.py b/backend/scripts/generate_chat_agent.py
index 255e1ae..cbca362 100644
--- a/backend/scripts/generate_chat_agent.py
+++ b/backend/scripts/generate_chat_agent.py
@@ -490,7 +490,7 @@ def main():
     db = SessionLocal()
     try:
         # 获取或创建测试用户
-        user = db.query(User).filter(User.username == "admin").first()
+        user = db.query(User).filter(User.username == os.getenv("PLATFORM_USERNAME")).first()
         if not user:
             print("请先创建admin用户")
             return
diff --git a/backend/scripts/generate_complex_agent.py b/backend/scripts/generate_complex_agent.py
index df0811b..e605d12 100755
--- a/backend/scripts/generate_complex_agent.py
+++ b/backend/scripts/generate_complex_agent.py
@@ -15,7 +15,7 @@ from datetime import datetime
 import uuid
 
 
-def generate_complex_agent_with_templates(db: Session, username: str = "admin"):
+def generate_complex_agent_with_templates(db: Session, username: str | None = None):
     """生成包含多个节点模板的复杂Agent"""
     print("=" * 60)
     print("生成复杂Agent（包含多个节点模板）")
@@ -292,7 +292,7 @@ if __name__ == "__main__":
     parser.add_argument(
         "--username",
         type=str,
-        default="admin",
+        default=None,
         help="创建Agent的用户名（默认: admin）"
     )
     
diff --git a/backend/scripts/generate_content_agent.py b/backend/scripts/generate_content_agent.py
index 142bfaf..7b3fe56 100755
--- a/backend/scripts/generate_content_agent.py
+++ b/backend/scripts/generate_content_agent.py
@@ -17,7 +17,7 @@ import uuid
 import json
 
 
-def generate_content_agent(db: Session, username: str = "admin"):
+def generate_content_agent(db: Session, username: str | None = None):
     """生成内容生成助手Agent"""
     print("=" * 60)
     print("生成内容生成助手Agent")
@@ -479,7 +479,7 @@ if __name__ == "__main__":
     import argparse
     
     parser = argparse.ArgumentParser(description="生成内容生成助手Agent")
-    parser.add_argument("--username", type=str, default="admin", help="用户名")
+    parser.add_argument("--username", type=str, default=None, help="用户名")
     
     args = parser.parse_args()
     
diff --git a/backend/scripts/generate_fake_agents.py b/backend/scripts/generate_fake_agents.py
index df0525d..38286d1 100755
--- a/backend/scripts/generate_fake_agents.py
+++ b/backend/scripts/generate_fake_agents.py
@@ -227,7 +227,7 @@ def generate_workflow_config(agent_type: str) -> dict:
         return base_configs["默认"]
 
 
-def generate_fake_agents(db: Session, username: str = "admin", count: int = None):
+def generate_fake_agents(db: Session, username: str | None = None, count: int = None):
     """生成假数据"""
     print("=" * 60)
     print("生成Agent假数据")
@@ -316,7 +316,7 @@ if __name__ == "__main__":
     parser.add_argument(
         "--username",
         type=str,
-        default="admin",
+        default=None,
         help="创建Agent的用户名（默认: admin）"
     )
     parser.add_argument(
diff --git a/backend/scripts/generate_smart_agent.py b/backend/scripts/generate_smart_agent.py
index 82e4c9c..cca1ca5 100755
--- a/backend/scripts/generate_smart_agent.py
+++ b/backend/scripts/generate_smart_agent.py
@@ -17,7 +17,7 @@ import uuid
 import json
 
 
-def generate_smart_agent(db: Session, username: str = "admin"):
+def generate_smart_agent(db: Session, username: str | None = None):
     """生成智能需求分析与解决方案生成Agent"""
     print("=" * 60)
     print("生成智能需求分析与解决方案生成Agent")
@@ -451,7 +451,7 @@ if __name__ == "__main__":
     parser.add_argument(
         "--username",
         type=str,
-        default="admin",
+        default=None,
         help="创建Agent的用户名（默认: admin）"
     )
     
diff --git a/backend/scripts/generate_test_agent.py b/backend/scripts/generate_test_agent.py
index 9d9a9f4..becef66 100755
--- a/backend/scripts/generate_test_agent.py
+++ b/backend/scripts/generate_test_agent.py
@@ -15,7 +15,7 @@ from datetime import datetime
 import uuid
 
 
-def generate_test_agent(db: Session, username: str = "admin"):
+def generate_test_agent(db: Session, username: str | None = None):
     """生成测试Agent（左右连接）"""
     print("=" * 60)
     print("生成测试Agent（左右连接演示）")
@@ -224,7 +224,7 @@ def main():
     """主函数"""
     db = SessionLocal()
     try:
-        generate_test_agent(db, username="admin")
+        generate_test_agent(db, username=os.getenv("PLATFORM_USERNAME"))
     finally:
         db.close()
 
diff --git a/backend/scripts/set_admin.py b/backend/scripts/set_admin.py
index 194bcce..57108dd 100755
--- a/backend/scripts/set_admin.py
+++ b/backend/scripts/set_admin.py
@@ -19,8 +19,12 @@ def set_admin():
         print("=" * 60)
         print()
         
-        # 查找admin用户
-        admin_user = db.query(User).filter(User.username == "admin").first()
+        target_username = os.getenv("PLATFORM_USERNAME")
+        if not target_username:
+            print("❌ 请设置 PLATFORM_USERNAME 环境变量指定要提升为管理员的用户名")
+            return
+        # 查找目标用户
+        admin_user = db.query(User).filter(User.username == target_username).first()
         
         if not admin_user:
             print("❌ 未找到admin用户，请先创建admin用户")
diff --git a/backend/scripts/test_homework_agent_hello.py b/backend/scripts/test_homework_agent_hello.py
index cd850ae..1435f8c 100644
--- a/backend/scripts/test_homework_agent_hello.py
+++ b/backend/scripts/test_homework_agent_hello.py
@@ -22,8 +22,8 @@ import requests
 def parse_args() -> argparse.Namespace:
     parser = argparse.ArgumentParser(description="测试学生作业管理助手发送“你好”")
     parser.add_argument("--base-url", default="http://127.0.0.1:8037", help="后端地址")
-    parser.add_argument("--username", default="admin", help="登录用户名")
-    parser.add_argument("--password", default="123456", help="登录密码")
+    parser.add_argument("--username", default=None, help="登录用户名")
+    parser.add_argument("--password", default=None, help="登录密码")
     parser.add_argument("--agent-name", default="学生作业管理助手", help="目标 Agent 名称")
     parser.add_argument("--message", default="你好", help="发送内容")
     parser.add_argument("--timeout-seconds", type=int, default=90, help="轮询超时秒数")
diff --git a/backend/scripts/update_zhini7_prompt.py b/backend/scripts/update_zhini7_prompt.py
index a8fefc7..4f69904 100644
--- a/backend/scripts/update_zhini7_prompt.py
+++ b/backend/scripts/update_zhini7_prompt.py
@@ -1,3 +1,4 @@
+import os
 import re
 import requests
 
@@ -10,7 +11,7 @@ prompt = m.group(1).strip()
 
 r = requests.post(
     f"{BASE}/api/v1/auth/login",
-    data={"username": "admin", "password": "123456"},
+    data={"username": os.getenv("PLATFORM_USERNAME"), "password": os.getenv("PLATFORM_PASSWORD")},
     headers={"Content-Type": "application/x-www-form-urlencoded"},
     timeout=15,
 )