diff --git a/agt-module-license/agt-module-license-server/src/main/java/org/agt/module/license/service/license/LicenseServiceImpl.java b/agt-module-license/agt-module-license-server/src/main/java/org/agt/module/license/service/license/LicenseServiceImpl.java
index f477585..6b9eff3 100644
--- a/agt-module-license/agt-module-license-server/src/main/java/org/agt/module/license/service/license/LicenseServiceImpl.java
+++ b/agt-module-license/agt-module-license-server/src/main/java/org/agt/module/license/service/license/LicenseServiceImpl.java
@@ -274,17 +274,17 @@ public class LicenseServiceImpl implements LicenseService {
         if (StrUtil.isBlank(sn)) {
             return true;
         }
-//        LicenseDO license = licenseMapper.selectBySn(sn);
-//        if (license == null) {
-//            return true;
-//        }
-//        // 如果 id 为空，说明不用比较是否为相同 id 的License
-//        if (id == null) {
-//            return false;
-//        }
-//        if (!license.getId().equals(id)) {
-//            return false;
-//        }
+        LicenseDO license = licenseMapper.selectBySn(sn);
+        if (license == null) {
+            return true;
+        }
+        // 如果 id 为空，说明不用比较是否为相同 id 的License
+        if (id == null) {
+            return false;
+        }
+        if (!license.getId().equals(id)) {
+            return false;
+        }
         return true;
     }