修改触发事件

miniprogram/pages/components/PlatformFeeChart/PlatformFeeChart.ts

@@ -117,13 +117,13 @@ Component({
   methods: {
     clickHandle(e) {
       console.log(e);
-      const { touches } = e.detail;
+      const { changedTouches } = e.detail;
 
       let x = 0;
       let y = 0;
-      if (touches && touches.length) {
-        x = touches[0].x;
-        y = touches[0].y;
+      if (changedTouches && changedTouches.length) {
+        x = changedTouches[0].x;
+        y = changedTouches[0].y;
       }
       const objArr = platforFeeChart.getSnapRecords({ x, y });
       if (objArr.length) this.triggerEvent('selectedData', objArr[0]._origin);

miniprogram/pages/components/PlatformFeeChart/PlatformFeeChart.wxml

 <!-- pages/components/PlatformFeeChart/PlatformFeeChart.wxml -->
-<ff-canvas id="PlatformFeeChart" canvas-id="PlatformFeeChart" opts="{{ opts }}" bindcanvastouch="clickHandle" />
\ No newline at end of file
+<ff-canvas id="PlatformFeeChart" canvas-id="PlatformFeeChart" opts="{{ opts }}" bindcanvastouchend="clickHandle" />
\ No newline at end of file