diff --git a/app/src/main/res/layout/item_discovery.xml b/app/src/main/res/layout/item_discovery.xml
index 109a35c..3961193 100644
--- a/app/src/main/res/layout/item_discovery.xml
+++ b/app/src/main/res/layout/item_discovery.xml
@@ -45,7 +45,7 @@
                 app:ngv_maxSize="9"
                 app:ngv_mode="grid"
                 app:ngv_singleImageRatio="1"
-                app:ngv_singleImageSize="100dp" />
+                app:ngv_singleImageSize="200dp" />
 
             <LinearLayout
                 android:layout_width="match_parent"
diff --git a/ninegridview/src/main/java/com/lzy/ninegrid/NineGridViewAdapter.java b/ninegridview/src/main/java/com/lzy/ninegrid/NineGridViewAdapter.java
index 3002ca0..444082e 100644
--- a/ninegridview/src/main/java/com/lzy/ninegrid/NineGridViewAdapter.java
+++ b/ninegridview/src/main/java/com/lzy/ninegrid/NineGridViewAdapter.java
@@ -38,7 +38,7 @@ public abstract class NineGridViewAdapter implements Serializable {
     protected NineGridViewWrapper generateImageView(Context context, int type) {
         NineGridViewWrapper imageView = new NineGridViewWrapper(context);
         imageView.setType(type);
-        imageView.setScaleType(ImageView.ScaleType.CENTER_INSIDE);
+        imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
         imageView.setImageResource(R.drawable.ic_default_color);
         return imageView;
     }