diff --git a/core/package.json b/core/package.json
index efaf086..466b3f3 100644
--- a/core/package.json
+++ b/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@cool-midway/core",
-  "version": "8.0.7",
+  "version": "8.0.8",
   "description": "cool-admin midway core",
   "main": "dist/index.js",
   "typings": "index.d.ts",
diff --git a/core/src/service/mysql.ts b/core/src/service/mysql.ts
index b42e3ba..d3e45a8 100644
--- a/core/src/service/mysql.ts
+++ b/core/src/service/mysql.ts
@@ -302,7 +302,9 @@ export abstract class BaseMysqlService {
     if (param instanceof Array) {
       param.forEach(item => {
         item.updateTime = new Date();
-        item.createTime = new Date();
+        if (type == 'add') {
+          item.createTime = new Date();
+        }
       });
       await this.entity.save(param);
     } else {
diff --git a/core/src/service/postgres.ts b/core/src/service/postgres.ts
index 270b093..590ecb2 100644
--- a/core/src/service/postgres.ts
+++ b/core/src/service/postgres.ts
@@ -358,7 +358,9 @@ export abstract class BasePgService {
     if (param instanceof Array) {
       param.forEach(item => {
         item.updateTime = new Date();
-        item.createTime = new Date();
+        if (type == 'add') {
+          item.createTime = new Date();
+        }
       });
       await this.entity.save(param);
     } else {
diff --git a/core/src/service/sqlite.ts b/core/src/service/sqlite.ts
index 95703ec..e562898 100644
--- a/core/src/service/sqlite.ts
+++ b/core/src/service/sqlite.ts
@@ -360,7 +360,9 @@ export abstract class BaseSqliteService {
       param.forEach(item => {
         // 设置时区+08:00
         item.updateTime = new Date();
-        item.createTime = new Date();
+        if (type == 'add') {
+          item.createTime = new Date();
+        }
       });
       await this.entity.save(param);
     } else {