szx-1282 超时清空展示文件

src/components/Course/chooseCourseFile.vue

@@ -195,11 +195,11 @@
                 // this.cware.content.content=result.filePath;
               }else{
                 this.$message.error(rs.message);
+                this.$refs.uploadRef.clearFiles();
               }
           });
         }else{
            this.$message({message:"上传失败："+res.message,type:'error',offset:100});
-           this.$refs.uploadRef.clearFiles();
         }
 
         //this.$emit("success", res);