开始做充值，，调整了首页

components/picker/index.js

@@ -11,7 +11,8 @@ Component({
     },
     show: Boolean,
     columns: Array,
-    type: String
+    type: String,
+    title: String,
   },
 
   /**

components/picker/index.wxml

@@ -3,9 +3,17 @@
   show="{{ show }}" 
   position="bottom"
   bind:close="onClose"
+  
 >
   <view style="width: 100vw;">
-    <van-picker   show-toolbar
-  title="标题" columns="{{ columns }}" bind:change="onChange" value-key="name" bind:confirm="confirm" bind:cancel="cancel" />
+    <van-picker   
+      show-toolbar
+      title="{{title}}" 
+      columns="{{ columns }}" 
+      bind:change="onChange" 
+      value-key="name" 
+      bind:confirm="confirm" 
+      bind:cancel="cancel" 
+    />
   </view>
 </van-popup>