fix a bug

pages/exercises/exercises.wxml

@@ -25,7 +25,7 @@
           <block wx:for="{{exercises}}" wx:for-item="exercise" wx:key="id">
             <view class="exercise" wx:if="{{exercise.exercise_status==navItem.exercise_status||navItem.exercise_status=='all'}}" class="exercise" catchtap="see_grade" bindlongpress="enter_exercise" data-exercise_id="{{exercise.id}}">
               <view class="exercise-name">
-                <text class="exercise-name" data-exercise_id="{{exercise.id}}" bindtap="exercise_result">{{exercise.exercise_name}}</text>
+                <text class="exercise-name" data-exercise_id="{{exercise.id}}" catchtap="exercise_result">{{exercise.exercise_name}}</text>
               </view>
               <view class="exercise-info flex-wrap">
                 <text class="hint" wx:if="{{exercise.exercise_status!=3&&(exercise.current_status==0 || exercise.current_status==2)}}">还有{{exercise.exercise_left_time||'    '}}截止</text>