diff --git a/src/components/Course/chooseCourseFile.vue b/src/components/Course/chooseCourseFile.vue
index 5e3db2e1..e8e34471 100644
--- a/src/components/Course/chooseCourseFile.vue
+++ b/src/components/Course/chooseCourseFile.vue
@@ -128,6 +128,15 @@
           return false;
         }
       });
+      this.findCourseFile();
+    },
+    watch:{
+       resType(newVal,oldVal){
+          if(newVal!=oldVal){
+            this.findCourseFile();
+          }
+
+       }
     },
     methods:{
       handleBeforeUpload(file) {