diff --git a/ruoyi-system/src/main/java/com/ruoyi/wisdomarbitrate/service/impl/CaseApplicationServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/wisdomarbitrate/service/impl/CaseApplicationServiceImpl.java
index f527f41..35b7aca 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/wisdomarbitrate/service/impl/CaseApplicationServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/wisdomarbitrate/service/impl/CaseApplicationServiceImpl.java
@@ -1797,7 +1797,7 @@ public class CaseApplicationServiceImpl implements ICaseApplicationService {
                                         //发起签署
                                         sealSignRecord.setFilename(fileName);
                                         String arbitratorId = caseApplication2.getArbitratorId();
-                                        if (arbitratorId != null) {
+                                        if (StringUtils.isNotEmpty(arbitratorId)) {
                                             SysUser sysUser = sysUserMapper.selectUserById(Long.valueOf(arbitratorId));
                                             if (sysUser == null) {
                                                 return AjaxResult.error();
@@ -3062,7 +3062,7 @@ public class CaseApplicationServiceImpl implements ICaseApplicationService {
                                                 //发起签署
                                                 sealSignRecord.setFilename(fileName);
                                                 String arbitratorId = caseApplication2.getArbitratorId();
-                                                if (arbitratorId != null) {
+                                                if (StringUtils.isNotEmpty(arbitratorId)) {
                                                     SysUser sysUser = sysUserMapper.selectUserById(Long.valueOf(arbitratorId));
                                                     if (sysUser == null) {
                                                         return AjaxResult.error();