需新增：添加好友页面，优化各模块页面

pages/discover/ranking-list.vue

@@ -87,16 +87,28 @@
               mode="heightFix"
               class="grade"
             ></image>
-            <text v-else class="item-text">1</text>
+            <text v-else class="item-text">{{ index + 1 }}</text>
           </view>
         </uni-col>
         <uni-col :span="12">
           <view class="table-name">
             <image
-              :src="item.avatar || '/static/images/public/random2.png'"
+              v-if="item.avatar"
+              :src="item.avatar"
               mode="aspectFill"
               class="left-icon"
             ></image>
+            <view
+              v-else
+              style="
+                display: flex;
+                align-items: center;
+                justify-content: center;
+              "
+              class="left-icon"
+            >
+              <uni-icons type="contact-filled" size="90rpx"></uni-icons>
+            </view>
             <view class="name">
               <text>{{ item.userName }}</text>
               <text>{{ item.mobile }}</text>
@@ -119,7 +131,9 @@
   @import './styles/index.scss';
 
   .table-box {
-    font-family: PingFang SC, PingFang SC;
+    font-family:
+      PingFang SC,
+      PingFang SC;
     font-style: normal;
     text-transform: none;
     .grade-box {