fix: textarea maxlength set 30

pages/addressAdd/addressAdd.wxml

@@ -19,7 +19,7 @@
       </view>
     </view>
     <view class="form-item address-detail ittflex">
-      <textarea bindinput="bindinput" class="inputtext" model:value="{{detailAddress}}" show-confirm-bar placeholder="请输入详细地址：比如道路，门牌号等" 	placeholder-style="font-size: 26rpx;color:#999"/>
+      <textarea maxlength="30" bindinput="bindinput" class="inputtext" model:value="{{detailAddress}}" show-confirm-bar placeholder="请输入详细地址：比如道路，门牌号等" 	placeholder-style="font-size: 26rpx;color:#999"/>
     </view>
     <view class="form-item linker">
       <input class="linker-input user-input" bindinput="bindinput" model:value="{{contactName}}" placeholder="请输入联系人"/>