更新前check_label设置成null

kernel/src/main/java/com/lantone/qc/kernel/web/controller/QCTestController.java

@@ -87,7 +87,9 @@ public class QCTestController {
         MysqlJdbc mysqlJdbc = new MysqlJdbc(propertiesUtil.getProperty("mysql.test.user"),
                 propertiesUtil.getProperty("mysql.test.password"),
                 propertiesUtil.getProperty("mysql.test.url"));
-        mysqlJdbc.update("update qc_inputcases_mapping_all set check_label=null");
+        if(caseNumber == null){
+            mysqlJdbc.update("update qc_inputcases_mapping_all set check_label=null");
+        }
         mysqlJdbc.update("qc_inputcases_mapping_all", updates, wheres);
         return response;
     }