fix: request示例修改，显示结果的textarea宽度为100%

pages/API/request/request.uvue

@@ -2,7 +2,7 @@
   <view style="flex: 1;">
     <view class="uni-padding-wrap uni-common-mt">
       <view class="uni-common-mt" style="border-width: 2px;border-style: solid; border-radius: 4px;">
-        <textarea :value="res" class="uni-textarea" maxlength="-1"></textarea>
+        <textarea :value="res" class="uni-textarea" style="width: 100%;"></textarea>
       </view>
       <view>
         <text>地址 : {{ host + url}}</text>