增加原地

components/video-swiper/index.js

@@ -97,8 +97,13 @@ Component({
       const diff = current - _last
       this._swipering = false
 
-      this.data._last = current
+
       this.playCurrent(current)
+      const change = current !== this.data._last
+
+      if (diff === 0 || !change) {
+        return
+      }
 
       const direction = (diff === 1 || diff === -2) ? 'up' : 'down'
 
@@ -132,7 +137,7 @@ Component({
       })
 
       let circular = true
-
+      this.data._last = current
       // if (_dataIdx === 0) {
       //   circular = false
       // }