fix

stmms-web/src/main/java/cn/com/qmth/stmms/admin/exam/InspectedController.java

@@ -255,7 +255,9 @@ public class InspectedController extends BaseExamController {
 	            }
 	        }
 	    }
-        task.setInspectTime(null);
+        if(task!=null) {
+        	task.setInspectTime(null);
+        }
         return task;
     }