产品编辑处理过程，处理结果，原因分析 字数限制500内

Eservice/components/productCard/index.wxml

@@ -44,15 +44,15 @@
     </view>
     <view class="input">
       <view class="label">处理过程</view>
-      <textarea auto-height value="{{data.processing}}" data-name='processing' bindblur='onBlur' />
+      <textarea auto-height maxlength='499' value="{{data.processing}}" data-name='processing' bindblur='onBlur' />
     </view>
     <view class="input">
       <view class="label">处理结果</view>
-      <textarea auto-height value="{{data.result}}" data-name='result' bindblur='onBlur' />
+      <textarea auto-height maxlength='499' value="{{data.result}}" data-name='result' bindblur='onBlur' />
     </view>
     <view class="input">
       <view class="label">原因分析</view>
-      <textarea auto-height value="{{data.reason}}" data-name='reason' bindblur='onBlur' />
+      <textarea auto-height maxlength='499' value="{{data.reason}}" data-name='reason' bindblur='onBlur' />
     </view>
   </block>
 </view>