设置回放

src/views/yqrange/live-manage.vue

@@ -595,7 +595,7 @@ export default {
     },
 
     videoToName(fileName, number){
-      if(fileName != ""){
+      if(fileName != null && fileName != ""){
         const index = fileName.indexOf(".mp4");
         const  str = fileName.slice(0, index);
         if(str.length > number){