diff --git a/src/api/audit-log.ts b/src/api/audit-log.ts
index a955862..602d3bc 100644
--- a/src/api/audit-log.ts
+++ b/src/api/audit-log.ts
@@ -14,7 +14,7 @@ export interface AuditLog {
   ip: string | null
   userAgent: string | null
   durationMs: number | null
-  createdAt: string
+  createdAt: number
 }
 
 export interface AuditLogQuery {
diff --git a/src/api/config.ts b/src/api/config.ts
index ddca32c..ac29d96 100644
--- a/src/api/config.ts
+++ b/src/api/config.ts
@@ -6,8 +6,8 @@ export interface Config {
   key: string
   value: string | null
   remark: string | null
-  createdAt: string
-  updatedAt: string
+  createdAt: number
+  updatedAt: number
 }
 
 export interface ConfigListQuery {
diff --git a/src/api/dict.ts b/src/api/dict.ts
index fd3ea8a..2084f85 100644
--- a/src/api/dict.ts
+++ b/src/api/dict.ts
@@ -8,7 +8,7 @@ export interface DictType {
   status: 'enabled' | 'disabled'
   builtIn: boolean
   remark: string | null
-  createdAt: string
+  createdAt: number
 }
 
 export interface DictItem {
@@ -21,7 +21,7 @@ export interface DictItem {
   status: 'enabled' | 'disabled'
   builtIn: boolean
   colorType: string | null
-  createdAt: string
+  createdAt: number
 }
 
 export interface PageResult<T> {
diff --git a/src/api/login-log.ts b/src/api/login-log.ts
index fefb040..77cdbe8 100644
--- a/src/api/login-log.ts
+++ b/src/api/login-log.ts
@@ -9,7 +9,7 @@ export interface LoginLog {
   userAgent: string | null
   status: string
   message: string | null
-  createdAt: string
+  createdAt: number
 }
 
 export interface LoginLogQuery {
diff --git a/src/api/org.ts b/src/api/org.ts
index 2aec3e4..8d53cc2 100644
--- a/src/api/org.ts
+++ b/src/api/org.ts
@@ -9,7 +9,7 @@ export interface Org {
   leader: string | null
   sort: number
   status: 'enabled' | 'disabled'
-  createdAt: string
+  createdAt: number
 }
 
 /** 组织列表（后端按 sort 升序返回普通数组，前端自行组树）。 */
diff --git a/src/api/resource.ts b/src/api/resource.ts
index 89b1e74..e9b59ff 100644
--- a/src/api/resource.ts
+++ b/src/api/resource.ts
@@ -16,7 +16,7 @@ export interface Resource {
   icon: string | null
   sort: number
   status: 'enabled' | 'disabled'
-  createdAt: string
+  createdAt: number
 }
 
 export interface ResourceUpsertData {
diff --git a/src/api/role.ts b/src/api/role.ts
index 59f18da..c2197d5 100644
--- a/src/api/role.ts
+++ b/src/api/role.ts
@@ -10,7 +10,7 @@ export interface Role {
   dataScope: DataScope
   status: 'enabled' | 'disabled'
   remark: string | null
-  createdAt: string
+  createdAt: number
 }
 
 export interface RoleListQuery {
diff --git a/src/api/tenant.ts b/src/api/tenant.ts
index 71089b7..cde6bd0 100644
--- a/src/api/tenant.ts
+++ b/src/api/tenant.ts
@@ -6,7 +6,7 @@ export interface Tenant {
   name: string
   status: 'enabled' | 'disabled'
   remark: string | null
-  createdAt: string
+  createdAt: number
 }
 
 export interface TenantListQuery {
diff --git a/src/api/user.ts b/src/api/user.ts
index 4090bc1..7129a25 100644
--- a/src/api/user.ts
+++ b/src/api/user.ts
@@ -12,8 +12,8 @@ export interface User {
   avatar: string | null
   status: UserStatus
   orgCode: string | null
-  createdAt: string
-  updatedAt: string
+  createdAt: number
+  updatedAt: number
 }
 
 export interface UserListQuery {