diff --git a/apps/web/src/components/auth/BindContactModal/hooks/useBindContactForm.ts b/apps/web/src/components/auth/BindContactModal/hooks/useBindContactForm.ts
new file mode 100644
index 000000000..16ce271c3
--- /dev/null
+++ b/apps/web/src/components/auth/BindContactModal/hooks/useBindContactForm.ts
@@ -0,0 +1,97 @@
+import { useState, useEffect } from "react"
+import { Form, message } from "antd"
+import { sendVerificationCode, bindContact, type BindContactResponse } from "@/api/auth"
+import { useCountdown } from "./useCountdown"
+
+type ContactType = "email" | "phone"
+
+interface UseBindContactFormOptions {
+  open: boolean
+  onSuccess?: (user: BindContactResponse["user"]) => void
+  onCancel?: () => void
+}
+
+/**
+ * 绑定联系方式表单 Hook
+ * 封装表单状态、验证码发送、提交绑定等业务逻辑
+ */
+export const useBindContactForm = ({ open, onSuccess }: UseBindContactFormOptions) => {
+  const [activeTab, setActiveTab] = useState<ContactType>("email")
+  const [form] = Form.useForm()
+  const [loading, setLoading] = useState(false)
+  const [codeLoading, setCodeLoading] = useState(false)
+  const { countdown, isRunning, start: startCountdown, reset: resetCountdown } = useCountdown(60)
+
+  /* ── 打开时重置表单 ── */
+  useEffect(() => {
+    if (open) {
+      form.resetFields()
+      resetCountdown()
+    }
+  }, [open, form, resetCountdown])
+
+  /* ── 发送验证码 ── */
+  const handleSendCode = async () => {
+    try {
+      const fieldName = activeTab === "email" ? "email" : "phone"
+      const value = form.getFieldValue(fieldName)
+      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")
+      startCountdown()
+    } catch {
+      // error handled by interceptor
+    } finally {
+      setCodeLoading(false)
+    }
+  }
+
+  /* ── 提交绑定 ── */
+  const handleSubmit = async () => {
+    // 1. 表单验证（失败时 Ant Design Form 会自动展示错误信息）
+    let values
+    try {
+      values = await form.validateFields()
+    } catch {
+      return
+    }
+
+    // 2. 调用绑定接口
+    setLoading(true)
+    try {
+      const payload =
+        activeTab === "email"
+          ? { email: values.email, email_code: values.email_code }
+          : { phone: values.phone, phone_code: values.phone_code }
+
+      const result = await bindContact(payload)
+
+      message.success("绑定成功")
+      onSuccess?.(result.user)
+    } catch {
+      // API 错误由全局拦截器统一处理提示
+    } finally {
+      setLoading(false)
+    }
+  }
+
+  return {
+    activeTab,
+    setActiveTab,
+    form,
+    loading,
+    codeLoading,
+    countdown,
+    codeDisabled: isRunning,
+    handleSendCode,
+    handleSubmit,
+  }
+}
diff --git a/apps/web/src/components/auth/BindContactModal/hooks/useCountdown.ts b/apps/web/src/components/auth/BindContactModal/hooks/useCountdown.ts
new file mode 100644
index 000000000..ffa35d5fc
--- /dev/null
+++ b/apps/web/src/components/auth/BindContactModal/hooks/useCountdown.ts
@@ -0,0 +1,39 @@
+import { useState, useEffect, useRef, useCallback } from "react"
+
+/**
+ * 倒计时 Hook
+ * 用于验证码发送等场景的倒计时控制
+ */
+export const useCountdown = (initialSeconds = 60) => {
+  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])
+
+  const start = useCallback(() => {
+    setCountdown(initialSeconds)
+  }, [initialSeconds])
+
+  const reset = useCallback(() => {
+    setCountdown(0)
+  }, [])
+
+  return {
+    countdown,
+    isRunning: countdown > 0,
+    start,
+    reset,
+  }
+}
diff --git a/apps/web/src/components/auth/BindContactModal.tsx b/apps/web/src/components/auth/BindContactModal/index.tsx
similarity index 58%
rename from apps/web/src/components/auth/BindContactModal.tsx
rename to apps/web/src/components/auth/BindContactModal/index.tsx
index c600657de..2e64b4141 100644
--- a/apps/web/src/components/auth/BindContactModal.tsx
+++ b/apps/web/src/components/auth/BindContactModal/index.tsx
@@ -1,84 +1,20 @@
-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
-}
+import React from "react"
+import { Modal, Tabs, Form, Input, Button } from "antd"
+import { useBindContactForm } from "./hooks/useBindContactForm"
+import type { BindContactModalProps } from "./types"
 
 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 payload =
-        activeTab === "email"
-          ? { email: values.email, email_code: values.code }
-          : { phone: values.phone, phone_code: values.code }
-
-      const result = await bindContact(payload)
-
-      message.success("绑定成功")
-      onSuccess?.(result.user)
-    } catch (error) {
-      // error handled by interceptor
-    } finally {
-      setLoading(false)
-    }
-  }
+  const {
+    activeTab,
+    setActiveTab,
+    form,
+    loading,
+    codeLoading,
+    countdown,
+    codeDisabled,
+    handleSendCode,
+    handleSubmit,
+  } = useBindContactForm({ open, onSuccess, onCancel })
 
   return (
     <Modal
@@ -111,7 +47,7 @@ const BindContactModal: React.FC<BindContactModalProps> = ({ open, onSuccess, on
                   <Input placeholder="请输入邮箱地址" size="large" />
                 </Form.Item>
                 <Form.Item
-                  name="code"
+                  name="email_code"
                   label="验证码"
                   rules={[{ required: true, message: "请输入验证码" }]}
                 >
@@ -121,7 +57,7 @@ const BindContactModal: React.FC<BindContactModalProps> = ({ open, onSuccess, on
                       size="large"
                       onClick={handleSendCode}
                       loading={codeLoading}
-                      disabled={countdown > 0}
+                      disabled={codeDisabled}
                     >
                       {countdown > 0 ? `${countdown}s 后重发` : "发送验证码"}
                     </Button>
@@ -146,7 +82,7 @@ const BindContactModal: React.FC<BindContactModalProps> = ({ open, onSuccess, on
                   <Input placeholder="请输入手机号" size="large" />
                 </Form.Item>
                 <Form.Item
-                  name="code"
+                  name="phone_code"
                   label="验证码"
                   rules={[{ required: true, message: "请输入验证码" }]}
                 >
@@ -156,7 +92,7 @@ const BindContactModal: React.FC<BindContactModalProps> = ({ open, onSuccess, on
                       size="large"
                       onClick={handleSendCode}
                       loading={codeLoading}
-                      disabled={countdown > 0}
+                      disabled={codeDisabled}
                     >
                       {countdown > 0 ? `${countdown}s 后重发` : "发送验证码"}
                     </Button>
@@ -178,3 +114,4 @@ const BindContactModal: React.FC<BindContactModalProps> = ({ open, onSuccess, on
 }
 
 export default BindContactModal
+export type { BindContactModalProps } from "./types"
diff --git a/apps/web/src/components/auth/BindContactModal/types.ts b/apps/web/src/components/auth/BindContactModal/types.ts
new file mode 100644
index 000000000..569bbb69a
--- /dev/null
+++ b/apps/web/src/components/auth/BindContactModal/types.ts
@@ -0,0 +1,14 @@
+import type { BindContactResponse } from "@/api/auth"
+
+/** BindContactModal 组件属性 */
+export interface BindContactModalProps {
+  /** 是否打开 */
+  open: boolean
+  /** 绑定成功回调 */
+  onSuccess?: (user: BindContactResponse["user"]) => void
+  /** 取消回调 */
+  onCancel?: () => void
+}
+
+/** 联系方式类型 */
+export type ContactType = "email" | "phone"
diff --git a/apps/web/src/test/components/auth/BindContactModal.test.tsx b/apps/web/src/test/components/auth/BindContactModal.test.tsx
new file mode 100644
index 000000000..eeb201d0a
--- /dev/null
+++ b/apps/web/src/test/components/auth/BindContactModal.test.tsx
@@ -0,0 +1,24 @@
+import { describe, expect, it } from "vitest"
+import BindContactModal from "@/components/auth/BindContactModal"
+import type { BindContactModalProps, ContactType } from "@/components/auth/BindContactModal/types"
+import { useBindContactForm } from "@/components/auth/BindContactModal/hooks/useBindContactForm"
+import { useCountdown } from "@/components/auth/BindContactModal/hooks/useCountdown"
+
+describe("BindContactModal", () => {
+  it("主组件可正常导入", () => {
+    expect(BindContactModal).toBeDefined()
+  })
+
+  it("Hook 可正常导入", () => {
+    expect(useBindContactForm).toBeDefined()
+    expect(useCountdown).toBeDefined()
+  })
+
+  it("类型导出正常", () => {
+    const props: BindContactModalProps = { open: false }
+    expect(props.open).toBe(false)
+
+    const contactType: ContactType = "email"
+    expect(contactType).toBe("email")
+  })
+})