diff --git a/server/src/service/user.service.ts b/server/src/service/user.service.ts
index eccf7f5..104f4b7 100644
--- a/server/src/service/user.service.ts
+++ b/server/src/service/user.service.ts
@@ -21,7 +21,10 @@ export class UserService {
 	async list(query: { page?: any; pageSize?: any; keyword?: string; status?: number; roleId?: number }): Promise<any> {
 		const page = Number(query.page) || 1;
 		const pageSize = Number(query.pageSize) || 10;
-		const where: any = {};
+		// 排除内置管理员账号（id=1）
+		const where: any = {
+			id: { [Op.ne]: 1 }
+		};
 
 		if (query.keyword) {
 			where[Op.or] = [{ username: { [Op.like]: `%${query.keyword}%` } }, { realName: { [Op.like]: `%${query.keyword}%` } }, { phone: { [Op.like]: `%${query.keyword}%` } }];
@@ -154,6 +157,15 @@ export class UserService {
 	}
 
 	async update(id: string, data: any): Promise<any> {
+		// 禁止编辑内置管理员账号
+		if (Number(id) === 1) {
+			return {
+				code: 400,
+				message: "内置管理员账号不允许编辑",
+				data: null
+			};
+		}
+
 		const user = await this.userModel.findByPk(id);
 
 		if (!user) {
@@ -282,6 +294,15 @@ export class UserService {
 	}
 
 	async updateStatus(id: string, status: number): Promise<any> {
+		// 禁止修改内置管理员账号状态
+		if (Number(id) === 1) {
+			return {
+				code: 400,
+				message: "内置管理员账号状态不允许修改",
+				data: null
+			};
+		}
+
 		const user = await this.userModel.findByPk(id);
 
 		if (!user) {