实习教师收集审核

src/main/java/com/xjrsoft/module/internship/controller/InternshipTeacherCollectEnrollController.java

@@ -99,7 +99,9 @@ public class InternshipTeacherCollectEnrollController {
         }
         if(internshipTeacherCollectEnroll.getFolderId() != null){
             File file = fileService.getById(internshipTeacherCollectEnroll.getFolderId());
-            enrollVo.setFileUrl(file.getFileUrl());
+            if(file != null){
+                enrollVo.setFileUrl(file.getFileUrl());
+            }
         }
 
         return RT.ok(enrollVo);