diff --git a/backend/app/models/models.py b/backend/app/models/models.py
index 862dd3f3e..74752bd22 100644
--- a/backend/app/models/models.py
+++ b/backend/app/models/models.py
@@ -39,6 +39,8 @@ class SysUser(Base):
     phone_no = Column(String(11), nullable=False, default="", comment="手机号码")
     sex = Column(CHAR(1), nullable=True, default="0", comment="用户性别")
     avatar = Column(String(512), nullable=True, comment="头像")
+    wx_openid = Column(String(64), nullable=True, comment="微信小程序 openid")
+    wx_unionid = Column(String(64), nullable=True, comment="微信 unionid")
     password = Column("password", String(100), nullable=False, default="", comment="密码")
     status = Column(CHAR(1), nullable=False, default="1", comment="帐号状态 1正常 0停用")
     tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
diff --git a/docs/sql/migrations/2026-09-18-sys-user-wx-openid.sql b/docs/sql/migrations/2026-09-18-sys-user-wx-openid.sql
new file mode 100644
index 000000000..d1aa432d2
--- /dev/null
+++ b/docs/sql/migrations/2026-09-18-sys-user-wx-openid.sql
@@ -0,0 +1,7 @@
+-- 山峡小程序手机号快捷登录：绑定微信 openid
+ALTER TABLE `sys_user`
+  ADD COLUMN `wx_openid` varchar(64) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '微信小程序 openid' AFTER `avatar`,
+  ADD COLUMN `wx_unionid` varchar(64) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '微信 unionid' AFTER `wx_openid`;
+
+ALTER TABLE `sys_user`
+  ADD UNIQUE KEY `uk_sys_user_wx_openid` (`wx_openid`);
diff --git a/docs/sql/shanxia2.0.sql b/docs/sql/shanxia2.0.sql
index 386052691..eb22ba238 100644
--- a/docs/sql/shanxia2.0.sql
+++ b/docs/sql/shanxia2.0.sql
@@ -35658,6 +35658,8 @@ CREATE TABLE `sys_user` (
   `probation_months` int(11) DEFAULT NULL COMMENT '试用期月数',
   `sex` char(1) COLLATE utf8mb4_unicode_ci DEFAULT '0' COMMENT '用户性别（0男 1女 2未知）',
   `avatar` varchar(512) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '头像（minio完整地址）',
+  `wx_openid` varchar(64) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '微信小程序 openid',
+  `wx_unionid` varchar(64) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '微信 unionid',
   `password` varchar(100) COLLATE utf8mb4_unicode_ci DEFAULT '' COMMENT '密码',
   `status` char(1) COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '1' COMMENT '帐号状态（1正常 0停用）',
   `tenant_no` varchar(64) COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT 'shanxia2.0' COMMENT '租户编号',
@@ -35670,6 +35672,7 @@ CREATE TABLE `sys_user` (
   `update_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
   `del_flag` tinyint(4) NOT NULL DEFAULT '0' COMMENT '删除标记：0-正常 1-已删除',
   PRIMARY KEY (`id`) USING BTREE,
+  UNIQUE KEY `uk_sys_user_wx_openid` (`wx_openid`),
   KEY `idx_user_dept` (`dept_id`,`del_flag`) USING BTREE
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='用户';