diff --git a/pages/ghdCalculator/ghdCalculator.wxml b/pages/ghdCalculator/ghdCalculator.wxml
index 3cc4da3..b1b8ce9 100644
--- a/pages/ghdCalculator/ghdCalculator.wxml
+++ b/pages/ghdCalculator/ghdCalculator.wxml
@@ -13,7 +13,7 @@
       <text class="form-label">骨龄（岁）</text>
       <input 
         class="form-input" 
-        type="text" 
+        type="digit" 
         placeholder="请输入骨龄，精确到小数点后两位"
         bindinput="inputBA"
         value="{{ba}}"
@@ -24,7 +24,7 @@
       <text class="form-label">实际年龄（岁）</text>
       <input 
         class="form-input" 
-        type="text" 
+        type="digit" 
         placeholder="请输入实际年龄，精确到小数点后两位"
         bindinput="inputCA"
         value="{{ca}}"
@@ -35,7 +35,7 @@
       <text class="form-label">IGF-1值</text>
       <input 
         class="form-input" 
-        type="text" 
+        type="digit" 
         placeholder="请输入IGF-1检验值，精确到小数点后两位"
         bindinput="inputIGF1"
         value="{{igf1}}"
@@ -46,7 +46,7 @@
       <text class="form-label">IGFBP-3值</text>
       <input 
         class="form-input" 
-        type="text" 
+        type="digit" 
         placeholder="请输入IGFBP-3检验值，精确到小数点后两位"
         bindinput="inputIGFBP3"
         value="{{igfbp3}}"
diff --git a/pages/ghdCalculator/ghdCalculator.wxss b/pages/ghdCalculator/ghdCalculator.wxss
index c7bccb0..5500f86 100644
--- a/pages/ghdCalculator/ghdCalculator.wxss
+++ b/pages/ghdCalculator/ghdCalculator.wxss
@@ -151,7 +151,7 @@
   display: flex;
   flex-direction: column;
   font-family: monospace;
-  font-size: 28rpx;
+  font-size: 20rpx;
   color: #666;
 }