fix：子卷重量提示

lms/nladmin-system/src/main/java/org/nl/b_lms/sch/tasks/slitter/service/impl/SlitterServiceImpl.java

@@ -1872,15 +1872,18 @@ public class SlitterServiceImpl implements SlitterService {
 
     @Override
     public JSONObject doSubRollWeightBindingTip(JSONObject param) {
-        log.info("手持维护重量 - {}", param);
+        JSONObject res = new JSONObject();
+        res.put("status", HttpStatus.HTTP_OK);
         //container_name: 子卷号
         String containerName = param.getString("container_name");
         Assert.notBlank(containerName, "子卷号不能为空!");
         PdmBiSlittingproductionplan plan = slittingproductionplanService.getByContainerName(containerName);
+        if (ObjectUtil.isEmpty(plan)) {
+            res.put("tip", "子卷信息在系统中不存在，请核对子卷号！");
+            return res;
+        }
         String rollWeight = "子卷毛重：【" + plan.getWeight() + "】";
         String paperWeight = "纸管重量：【" + plan.getPaper_weight() + "】";
-        JSONObject res = new JSONObject();
-        res.put("status", HttpStatus.HTTP_OK);
         res.put("tip", "系统记录的重量数值：" + rollWeight + ", " + paperWeight);
         return res;
     }