优化个人中心头像更新提示文案

pages/personal-Center/index/personal-profile.vue

@@ -108,8 +108,9 @@
           <el-input v-model="userForm.description" type="textarea" :rows="5" placeholder="请输入个人简介" class="full-width" />
         </el-form-item>
 
-        <el-form-item>
+        <el-form-item class="relative">
           <el-button type="primary" class="w-[120px] !h-[37px]" :loading="submitLoading" @click="submitForm">提交</el-button>
+          <div class="absolute top-[40px] left-[0] text-[12px] text-[#999999] font-normal">温馨提示：更改头像需要重新登录生效</div>
         </el-form-item>
       </el-form>
     </div>