页面初始化

src/pages/mine/personal-info.vue

@@ -67,8 +67,9 @@
         <view class="form-label">性别</view>
         <view class="form-control">
           <picker 
-            v-model="userInfo.gender" 
+            :value="getGenderIndex()"
             :range="genders" 
+            @change="onGenderChange"
             class="form-picker"
           >
             <view class="picker-display">{{ userInfo.gender || '请选择性别' }}</view>
@@ -165,6 +166,17 @@
     uni.navigateBack({ delta: 1 })
   }
   
+  // 获取性别索引
+  function getGenderIndex() {
+    return genders.indexOf(userInfo.value.gender)
+  }
+  
+  // 处理性别变更
+  function onGenderChange(e) {
+    const index = e.detail.value
+    userInfo.value.gender = genders[index]
+  }
+  
   // 选择头像
   function chooseAvatar() {
     uni.chooseImage({