feat；上传图片增加时间戳

src/components/ImgCutModalNew.jsx

@@ -67,6 +67,7 @@ class ImgCutModalNew extends React.Component {
             })
           }
         };
+        
         if (!photoclip) {
           const _photoclip = new PhotoClip('#imgCutModalNew', options);
           _photoclip.load(imageFile);

src/modules/course-manage/components/AddLiveBasic.jsx

@@ -150,15 +150,16 @@ class AddLiveBasic extends React.Component {
 
             },
           };
+          const imgUrl = `${imageFile.ossUrl}?${new Date().getTime()}`
           if (!this.state.photoclip) {
             const _photoclip = new PhotoClip("#headPicModal", options);
-            _photoclip.load(imageFile.ossUrl);
+            _photoclip.load(imgUrl);
             this.setState({
               photoclip: _photoclip,
             });
           } else {
             this.state.photoclip.clear();
-            this.state.photoclip.load(imageFile.ossUrl);
+            this.state.photoclip.load(imgUrl);
           }
 
         }, 200);