修改

src/main/java/com/gic/plug/web/controller/ScreeningController.java

@@ -147,6 +147,9 @@ public class ScreeningController {
     }
 
     private String getScreenBack(String param) throws ClassNotFoundException {
+        if(StringUtils.isBlank(param)){
+            return "";
+        }
         Integer enterpriseId = UserDetailUtils.getUserDetail().getEnterpriseId();
         JSONArray array = JSON.parseArray(param);
         StringBuilder backMessage = new StringBuilder();