diff --git a/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/service/integration/iwork/impl/IWorkSyncProcessorImpl.java b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/service/integration/iwork/impl/IWorkSyncProcessorImpl.java
index e2c09f09..3c004a2b 100644
--- a/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/service/integration/iwork/impl/IWorkSyncProcessorImpl.java
+++ b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/service/integration/iwork/impl/IWorkSyncProcessorImpl.java
@@ -272,7 +272,7 @@ public class IWorkSyncProcessorImpl implements IWorkSyncProcessor {
                 CommonStatusEnum status = inactive ? CommonStatusEnum.DISABLE : CommonStatusEnum.ENABLE;
                 // 直接沿用 iWork 原始密码，避免重复格式化造成校验偏差
                 String externalPassword = trimToNull(user.getPassword());
-                AdminUserDO existing = adminUserMapper.selectByUsername(username);
+                AdminUserDO existing = adminUserMapper.selectById(user.getId());
                 UserSyncOutcome outcome;
                 if (existing == null) {
                     if (!options.isCreateIfMissing()) {