修改样式，修改不能输入负数的问题

pages/writeReading/index.wxml

@@ -6,6 +6,7 @@
     bind:changeMeterAndIndex="changeMeterAndIndex" 
     active="{{active}}" 
     meterInfo="{{meterInfo}}"
+    finishNumber="{{onSetFinishNumber}}"
 />
 <meter-info meterInfo="{{meterInfo}}" />
 <reading-info 
@@ -14,4 +15,6 @@
     showRight="{{active < meterList.length - 1}}"    
     bind:prev="handlePrev"
     bind:next="handleNext"
+    routeId="{{routeId}}"
+    bind:finishNumber="onSetFinishNumber"
 />