diff --git a/apps/web/src/api/auth.ts b/apps/web/src/api/auth.ts
index 4b4f9c891..b671db6fb 100644
--- a/apps/web/src/api/auth.ts
+++ b/apps/web/src/api/auth.ts
@@ -121,3 +121,67 @@ export const verifyEmail = async (token: string): Promise<{ message: string }> =
   const response = await apiClient.post("/auth/verify-email", { token })
   return response.data
 }
+
+/* ========== 微信登录 ========== */
+
+export interface WechatAuthUrlResponse {
+  auth_url: string
+  state: string
+}
+
+export interface WechatCallbackResponse {
+  access_token: string
+  refresh_token?: string | null
+  user_id: string
+  display_name: string
+  avatar_url: string
+  is_new_user: boolean
+  binding_complete: boolean
+  expires_in: number
+}
+
+export interface SendVerificationCodeRequest {
+  target: "email" | "phone"
+  value: string
+  purpose: "bind" | "login" | "reset_password"
+}
+
+export interface BindContactRequest {
+  target: "email" | "phone"
+  value: string
+  code: string
+}
+
+export interface BindContactResponse {
+  message: string
+  user: User
+}
+
+// 获取微信授权链接
+export const getWechatAuthUrl = async (): Promise<WechatAuthUrlResponse> => {
+  const response = await apiClient.get("/auth/wechat/url")
+  return response.data
+}
+
+// 微信回调登录
+export const wechatCallback = async (
+  code: string,
+  state: string,
+): Promise<WechatCallbackResponse> => {
+  const response = await apiClient.post("/auth/wechat/callback", { code, state })
+  return response.data
+}
+
+// 发送验证码
+export const sendVerificationCode = async (
+  data: SendVerificationCodeRequest,
+): Promise<{ message: string }> => {
+  const response = await apiClient.post("/auth/send-verification-code", data)
+  return response.data
+}
+
+// 绑定联系方式
+export const bindContact = async (data: BindContactRequest): Promise<BindContactResponse> => {
+  const response = await apiClient.post("/auth/bind-contact", data)
+  return response.data
+}
diff --git a/apps/web/src/components/auth/BindContactModal.tsx b/apps/web/src/components/auth/BindContactModal.tsx
new file mode 100644
index 000000000..4cfb89724
--- /dev/null
+++ b/apps/web/src/components/auth/BindContactModal.tsx
@@ -0,0 +1,182 @@
+import React, { useState, useEffect, useRef } from "react"
+import { Modal, Tabs, Form, Input, Button, message } from "antd"
+import { sendVerificationCode, bindContact, type BindContactResponse } from "@/api/auth"
+
+interface BindContactModalProps {
+  open: boolean
+  onSuccess?: (user: BindContactResponse["user"]) => void
+  onCancel?: () => void
+}
+
+const BindContactModal: React.FC<BindContactModalProps> = ({ open, onSuccess, onCancel }) => {
+  const [activeTab, setActiveTab] = useState<"email" | "phone">("email")
+  const [form] = Form.useForm()
+  const [loading, setLoading] = useState(false)
+  const [codeLoading, setCodeLoading] = useState(false)
+  const [countdown, setCountdown] = useState(0)
+  const timerRef = useRef<ReturnType<typeof setInterval> | null>(null)
+
+  useEffect(() => {
+    if (countdown > 0) {
+      timerRef.current = setInterval(() => {
+        setCountdown((prev) => prev - 1)
+      }, 1000)
+    } else if (timerRef.current) {
+      clearInterval(timerRef.current)
+      timerRef.current = null
+    }
+    return () => {
+      if (timerRef.current) clearInterval(timerRef.current)
+    }
+  }, [countdown])
+
+  useEffect(() => {
+    if (open) {
+      form.resetFields()
+      setCountdown(0)
+    }
+  }, [open, form])
+
+  const handleSendCode = async () => {
+    try {
+      const value = form.getFieldValue(activeTab === "email" ? "email" : "phone")
+      if (!value) {
+        message.warning(activeTab === "email" ? "请输入邮箱" : "请输入手机号")
+        return
+      }
+      setCodeLoading(true)
+      await sendVerificationCode({
+        target: activeTab,
+        value,
+        purpose: "bind",
+      })
+      message.success("验证码已发送")
+      setCountdown(60)
+    } catch (error) {
+      // error handled by interceptor
+    } finally {
+      setCodeLoading(false)
+    }
+  }
+
+  const handleSubmit = async () => {
+    try {
+      const values = await form.validateFields()
+      setLoading(true)
+
+      const target = activeTab
+      const value = target === "email" ? values.email : values.phone
+
+      const result = await bindContact({
+        target,
+        value,
+        code: values.code,
+      })
+
+      message.success("绑定成功")
+      onSuccess?.(result.user)
+    } catch (error) {
+      // error handled by interceptor
+    } finally {
+      setLoading(false)
+    }
+  }
+
+  return (
+    <Modal
+      title="绑定联系方式"
+      open={open}
+      onCancel={onCancel}
+      footer={null}
+      destroyOnHidden
+      maskClosable={false}
+    >
+      <p style={{ color: "#666", marginBottom: 16 }}>为了保障账号安全，请绑定您的邮箱或手机号</p>
+
+      <Tabs
+        activeKey={activeTab}
+        onChange={(key) => setActiveTab(key as "email" | "phone")}
+        items={[
+          {
+            key: "email",
+            label: "邮箱绑定",
+            children: (
+              <Form form={form} layout="vertical">
+                <Form.Item
+                  name="email"
+                  label="邮箱"
+                  rules={[
+                    { required: true, message: "请输入邮箱" },
+                    { type: "email", message: "请输入有效的邮箱地址" },
+                  ]}
+                >
+                  <Input placeholder="请输入邮箱地址" size="large" />
+                </Form.Item>
+                <Form.Item
+                  name="code"
+                  label="验证码"
+                  rules={[{ required: true, message: "请输入验证码" }]}
+                >
+                  <div style={{ display: "flex", gap: 8 }}>
+                    <Input placeholder="请输入验证码" size="large" style={{ flex: 1 }} />
+                    <Button
+                      size="large"
+                      onClick={handleSendCode}
+                      loading={codeLoading}
+                      disabled={countdown > 0}
+                    >
+                      {countdown > 0 ? `${countdown}s 后重发` : "发送验证码"}
+                    </Button>
+                  </div>
+                </Form.Item>
+              </Form>
+            ),
+          },
+          {
+            key: "phone",
+            label: "手机绑定",
+            children: (
+              <Form form={form} layout="vertical">
+                <Form.Item
+                  name="phone"
+                  label="手机号"
+                  rules={[
+                    { required: true, message: "请输入手机号" },
+                    { pattern: /^1[3-9]\d{9}$/, message: "请输入有效的手机号" },
+                  ]}
+                >
+                  <Input placeholder="请输入手机号" size="large" />
+                </Form.Item>
+                <Form.Item
+                  name="code"
+                  label="验证码"
+                  rules={[{ required: true, message: "请输入验证码" }]}
+                >
+                  <div style={{ display: "flex", gap: 8 }}>
+                    <Input placeholder="请输入验证码" size="large" style={{ flex: 1 }} />
+                    <Button
+                      size="large"
+                      onClick={handleSendCode}
+                      loading={codeLoading}
+                      disabled={countdown > 0}
+                    >
+                      {countdown > 0 ? `${countdown}s 后重发` : "发送验证码"}
+                    </Button>
+                  </div>
+                </Form.Item>
+              </Form>
+            ),
+          },
+        ]}
+      />
+
+      <div style={{ marginTop: 16 }}>
+        <Button type="primary" block size="large" loading={loading} onClick={handleSubmit}>
+          确认绑定
+        </Button>
+      </div>
+    </Modal>
+  )
+}
+
+export default BindContactModal
diff --git a/apps/web/src/pages/auth/Login.tsx b/apps/web/src/pages/auth/Login.tsx
old mode 100755
new mode 100644
index 39fca3304..6a4e22abb
--- a/apps/web/src/pages/auth/Login.tsx
+++ b/apps/web/src/pages/auth/Login.tsx
@@ -1,10 +1,11 @@
 /**
  * 登录页面 - V21 完全对标
  */
-import React from "react"
+import React, { useState } from "react"
 import { Form, Input, Checkbox, message } from "antd"
 import { Link, useNavigate } from "react-router-dom"
 import { useLogin } from "@/hooks/useAuth"
+import { getWechatAuthUrl } from "@/api/auth"
 import Button from "@/components/ui/Button"
 import "./Login.css"
 
@@ -18,6 +19,7 @@ const Login: React.FC = () => {
   const navigate = useNavigate()
   const loginMutation = useLogin()
   const [form] = Form.useForm()
+  const [wechatLoading, setWechatLoading] = useState(false)
 
   const onFinish = async (values: LoginFormValues) => {
     try {
@@ -33,6 +35,22 @@ const Login: React.FC = () => {
     }
   }
 
+  const handleWechatLogin = async () => {
+    try {
+      setWechatLoading(true)
+      const result = await getWechatAuthUrl()
+      // 保存 state 到 localStorage 用于回调时验证
+      localStorage.setItem("wechat_state", result.state)
+      // 跳转到微信授权页
+      window.location.href = result.auth_url
+    } catch (error) {
+      if (!(error as { __msgShown?: boolean })?.__msgShown)
+        message.error("微信登录暂不可用，请稍后重试")
+    } finally {
+      setWechatLoading(false)
+    }
+  }
+
   return (
     <div className="xx-auth-page">
       <div className="xx-auth-card">
@@ -100,10 +118,11 @@ const Login: React.FC = () => {
           <button
             type="button"
             className="xx-btn-wechat"
-            onClick={() => message.info("微信登录功能开发中")}
+            onClick={handleWechatLogin}
+            disabled={wechatLoading}
           >
             <span className="xx-wechat-icon">💬</span>
-            微信登录
+            {wechatLoading ? "加载中..." : "微信登录"}
           </button>
         </div>
 
diff --git a/apps/web/src/pages/auth/WechatCallback.tsx b/apps/web/src/pages/auth/WechatCallback.tsx
new file mode 100644
index 000000000..41d46886e
--- /dev/null
+++ b/apps/web/src/pages/auth/WechatCallback.tsx
@@ -0,0 +1,134 @@
+/**
+ * 微信登录回调页
+ */
+import React, { useEffect, useState } from "react"
+import { useSearchParams, useNavigate } from "react-router-dom"
+import { Spin, message } from "antd"
+import { wechatCallback, getCurrentUser, normalizeUser, type User } from "@/api/auth"
+import { useAuthStore } from "@/store/authStore"
+import BindContactModal from "@/components/auth/BindContactModal"
+
+const WechatCallback: React.FC = () => {
+  const [searchParams] = useSearchParams()
+  const navigate = useNavigate()
+  const setAuth = useAuthStore((state) => state.setAuth)
+  const [loading, setLoading] = useState(true)
+  const [showBindModal, setShowBindModal] = useState(false)
+  const [error, setError] = useState<string | null>(null)
+
+  useEffect(() => {
+    const code = searchParams.get("code")
+    const state = searchParams.get("state")
+
+    if (!code || !state) {
+      setError("无效的回调参数")
+      setLoading(false)
+      return
+    }
+
+    const handleCallback = async () => {
+      try {
+        const result = await wechatCallback(code, state)
+
+        // 保存 token
+        localStorage.setItem("access_token", result.access_token)
+        if (result.refresh_token) {
+          localStorage.setItem("refresh_token", result.refresh_token)
+        } else {
+          localStorage.removeItem("refresh_token")
+        }
+
+        // 获取用户信息
+        const userData = await getCurrentUser()
+        const user: User = normalizeUser(userData)
+        setAuth(user, result.access_token, result.refresh_token)
+
+        if (result.binding_complete) {
+          // 已绑定，直接跳转到首页
+          message.success("登录成功")
+          navigate("/app/dashboard")
+        } else {
+          // 未绑定，显示绑定弹窗
+          setLoading(false)
+          setShowBindModal(true)
+        }
+      } catch (err) {
+        setError("登录失败，请重试")
+        setLoading(false)
+      }
+    }
+
+    handleCallback()
+  }, [searchParams, navigate, setAuth])
+
+  const handleBindSuccess = (_user: User) => {
+    setShowBindModal(false)
+    message.success("绑定成功")
+    navigate("/app/dashboard")
+  }
+
+  const handleBindCancel = () => {
+    setShowBindModal(false)
+    navigate("/login")
+  }
+
+  if (loading) {
+    return (
+      <div
+        style={{
+          display: "flex",
+          alignItems: "center",
+          justifyContent: "center",
+          minHeight: "100vh",
+          background: "#f5f5f5",
+        }}
+      >
+        <div style={{ textAlign: "center" }}>
+          <Spin size="large" />
+          <p style={{ marginTop: 16, color: "#666" }}>正在登录...</p>
+        </div>
+      </div>
+    )
+  }
+
+  if (error) {
+    return (
+      <div
+        style={{
+          display: "flex",
+          alignItems: "center",
+          justifyContent: "center",
+          minHeight: "100vh",
+          background: "#f5f5f5",
+        }}
+      >
+        <div style={{ textAlign: "center" }}>
+          <p style={{ color: "#ef4444", fontSize: 16, marginBottom: 16 }}>{error}</p>
+          <button
+            onClick={() => navigate("/login")}
+            style={{
+              padding: "8px 24px",
+              background: "var(--primary-color, #3b82f6)",
+              color: "white",
+              border: "none",
+              borderRadius: 6,
+              cursor: "pointer",
+            }}
+          >
+            返回登录
+          </button>
+        </div>
+      </div>
+    )
+  }
+
+  return (
+    <BindContactModal
+      open={showBindModal}
+      onSuccess={handleBindSuccess}
+      onCancel={handleBindCancel}
+    />
+  )
+}
+
+export default WechatCallback
diff --git a/apps/web/src/router/index.tsx b/apps/web/src/router/index.tsx
old mode 100755
new mode 100644
index 037a1fc6c..670c915ce
--- a/apps/web/src/router/index.tsx
+++ b/apps/web/src/router/index.tsx
@@ -9,6 +9,7 @@ import Login from "@/pages/auth/Login"
 import Register from "@/pages/auth/Register"
 import ForgotPassword from "@/pages/auth/ForgotPassword"
 import ResetPassword from "@/pages/auth/ResetPassword"
+import WechatCallback from "@/pages/auth/WechatCallback"
 import HomePage from "@/pages/home/HomePage"
 import { useAuthStore } from "@/store/authStore"
 
@@ -60,6 +61,10 @@ export const router = createBrowserRouter([
     path: "/reset-password",
     element: <ResetPassword />,
   },
+  {
+    path: "/auth/wechat/callback",
+    element: <WechatCallback />,
+  },
   {
     path: "/app",
     element: (