diff --git a/api/auth.ts b/api/auth.ts
index 1d8e953..c4f0dc4 100644
--- a/api/auth.ts
+++ b/api/auth.ts
@@ -85,7 +85,10 @@ export type RefreshTokenResponse = {
  * 密码登录
  */
 export function apiLogin(params: LoginParams): Promise<ApiResponse<UserInfo> | null> {
-	return post<UserInfo>('/api/auth/login', params)
+	return post<any>('/api/v1/Parents/Login', { phone: params.phone, password: params.password, loginType: 0 }).then((res) => {
+		if (!res || !res.data) return null
+		return { code: res.code, message: res.message, data: { userId: String(res.data.parentId), phone: res.data.phone, nickname: res.data.name, avatar: '', token: res.data.token, refreshToken: '' } }
+	})
 }
 
 /**
@@ -106,7 +109,13 @@ export function apiSendCode(params: SendCodeParams): Promise<ApiResponse<SendCod
  * 注册
  */
 export function apiRegister(params: RegisterParams): Promise<ApiResponse<UserInfo> | null> {
-	return post<UserInfo>('/api/auth/register', params)
+	const relations = ['爸爸', '妈妈', '爷爷', '奶奶', '外公', '外婆', '其他亲属']
+	return post<any>('/api/v1/Parents/Bind', {
+		name: params.parentName,
+		phone: params.phone,
+		password: params.password,
+		students: params.students.map((id) => ({ userId: Number(id), relation: relations.indexOf(params.relationship) + 1 }))
+	})
 }
 
 /**
@@ -134,5 +143,5 @@ export function apiRefreshToken(params: RefreshTokenParams): Promise<ApiResponse
  * 退出登录
  */
 export function apiLogout(): Promise<ApiResponse<null> | null> {
-	return post<null>('/api/auth/logout')
+	return post<null>('/api/v1/Parents/Logout')
 }
diff --git a/api/student.ts b/api/student.ts
index cb79ab7..f2ad53d 100644
--- a/api/student.ts
+++ b/api/student.ts
@@ -268,14 +268,17 @@ export type VerifyAccountParams = {
  * 验证学生二维码
  */
 export function apiVerifyStudentQRCode(params: VerifyQRCodeParams): Promise<ApiResponse<StudentInfo> | null> {
-	return post<StudentInfo>('/api/student/verify-qrcode', params)
+	return apiVerifyStudentAccount({ account: params.account, name: params.name })
 }
 
 /**
  * 验证学生账号
  */
 export function apiVerifyStudentAccount(params: VerifyAccountParams): Promise<ApiResponse<StudentInfo> | null> {
-	return post<StudentInfo>('/api/student/verify-account', params)
+	return get<any>('/api/v1/Parents/VerifyStudent', { RealName: params.name, Account: params.account }).then((res) => {
+		if (!res || !res.data) return null
+		return { code: res.code, message: res.message, data: { id: String(res.data.userId), name: res.data.name, account: res.data.account, avatar: res.data.avatar || '', grade: res.data.gradeLevel || '', class: res.data.className || '' } }
+	})
 }
 
 /**
diff --git a/pages/login/forgot-password.uvue b/pages/login/forgot-password.uvue
index 1396553..b798dec 100644
--- a/pages/login/forgot-password.uvue
+++ b/pages/login/forgot-password.uvue
@@ -142,7 +142,7 @@
 			return
 		}
 		const res = await apiSendCode({ phone: p, type: 'forgot-password' })
-		if (res && res.code === 0) {
+		if (res && res.code === 200) {
 			uni.showToast({ title: '验证码已发送', icon: 'success' })
 			countdownBtnRef.value?.startCountdown()
 		}
@@ -171,7 +171,7 @@
 			resetToken: resetToken.value
 		})
 
-		if (res && res.code === 0) {
+		if (res && res.code === 200) {
 			step.value = 3
 		}
 	}
diff --git a/pages/login/index.uvue b/pages/login/index.uvue
index dc4e8f8..250fcc9 100644
--- a/pages/login/index.uvue
+++ b/pages/login/index.uvue
@@ -53,8 +53,6 @@
 				<text class="btn-text">登录</text>
 			</view>
 
-			<!-- 切换验证码登录 -->
-			<text class="switch-text" @tap="handleSwitchToCodeLogin">验证码登录</text>
 		</view>
 
 		<!-- 底部注册入口 -->
@@ -131,15 +129,6 @@
 		}
 	}
 
-	/**
-	 * 切换到验证码登录
-	 */
-	function handleSwitchToCodeLogin() {
-		uni.navigateTo({
-			url: '/pages/login/verify-code'
-		})
-	}
-
 	/**
 	 * 忘记密码
 	 */
diff --git a/pages/login/verify-code.uvue b/pages/login/verify-code.uvue
index 43fc28e..762e8d5 100644
--- a/pages/login/verify-code.uvue
+++ b/pages/login/verify-code.uvue
@@ -84,7 +84,7 @@
 		}
 
 		const res = await apiSendCode({ phone: p, type: 'login' })
-		if (res && res.code === 0) {
+		if (res && res.code === 200) {
 			uni.showToast({ title: '验证码已发送', icon: 'success' })
 			countdownBtnRef.value?.startCountdown()
 		}
diff --git a/pages/profile/index.uvue b/pages/profile/index.uvue
index 24e0a6a..7b34d4c 100644
--- a/pages/profile/index.uvue
+++ b/pages/profile/index.uvue
@@ -80,7 +80,7 @@
 		listFailed.value = false
 		try {
 			const res = await apiGetBoundStudents()
-			if (res && res.code === 0 && res.data) {
+			if (res && res.code === 200 && res.data) {
 				students.value = res.data.students
 				if (!selectedStudentId.value) selectedStudentId.value = res.data.currentStudentId ?? ''
 			} else listFailed.value = true
diff --git a/pages/profile/verify-student.uvue b/pages/profile/verify-student.uvue
index c09474c..258ed05 100644
--- a/pages/profile/verify-student.uvue
+++ b/pages/profile/verify-student.uvue
@@ -62,7 +62,7 @@
 		loadFailed.value = false
 		try {
 			const res = await apiGetBoundStudents()
-			if (res && res.code === 0 && res.data) students.value = res.data.students
+			if (res && res.code === 200 && res.data) students.value = res.data.students
 			else loadFailed.value = true
 		} catch (_error) { loadFailed.value = true }
 		finally { loading.value = false }
@@ -93,7 +93,7 @@
 		verifying.value = true
 		try {
 			const res = qrCode ? await apiVerifyStudentQRCode({ qrCode, account: studentAccount, name: studentName }) : await apiVerifyStudentAccount({ account: studentAccount, name: studentName })
-			if (res && res.code === 0 && res.data) {
+			if (res && res.code === 200 && res.data) {
 				if (students.value.some(item => item.id === res.data!.id || item.account === res.data!.account)) uni.showToast({ title: '该学生已绑定', icon: 'none' })
 				else verified.value = res.data
 			}
diff --git a/pages/register/complete.uvue b/pages/register/complete.uvue
index 3da125a..bf501d0 100644
--- a/pages/register/complete.uvue
+++ b/pages/register/complete.uvue
@@ -50,9 +50,6 @@
 			<view class="btn-primary" @tap="handleGoHome">
 				<text class="btn-primary-text">去登录</text>
 			</view>
-			<view class="btn-secondary" @tap="handleGoLogin">
-				<text class="btn-secondary-text">返回首页</text>
-			</view>
 		</view>
 		</scroll-view>
 	</view>
diff --git a/pages/register/input-student.uvue b/pages/register/input-student.uvue
index 5167459..374004b 100644
--- a/pages/register/input-student.uvue
+++ b/pages/register/input-student.uvue
@@ -178,7 +178,7 @@
 
 		uni.hideLoading()
 
-		if (res && res.code === 0 && res.data) {
+		if (res && res.code === 200 && res.data) {
 			// 检查是否重复绑定
 			const exists = studentList.value.find(s => s.account === res.data!.account)
 			if (exists) {
diff --git a/pages/register/parent-account.uvue b/pages/register/parent-account.uvue
index 4140214..ae32968 100644
--- a/pages/register/parent-account.uvue
+++ b/pages/register/parent-account.uvue
@@ -112,9 +112,7 @@
 
 <script setup lang="ts">
 	import { apiRegister } from '../../api/auth'
-	import { apiCheckPhone } from '../../api/student'
 	import { registrationStudents } from '../../store/registration'
-	import { setUserInfo } from '../../store/user'
 
 	type ParentAccountForm = {
 		parentName: string
@@ -177,17 +175,8 @@
 			}
 			return
 		}
-
-		// 检查手机号是否已注册
-		uni.showLoading({ title: '检查中...' })
-		const checkRes = await apiCheckPhone(form.phone)
-		uni.hideLoading()
-
-		if (checkRes && checkRes.data && checkRes.data.exists) {
-			uni.showToast({
-				title: '该手机号已注册,请直接登录',
-				icon: 'none'
-			})
+		if (students.value.length === 0 || students.value.some((student) => !Number.isSafeInteger(Number(student.id)) || Number(student.id) <= 0)) {
+			uni.showToast({ title: '学生信息无效，请重新验证', icon: 'none' })
 			return
 		}
 
@@ -195,20 +184,23 @@
 		uni.showLoading({ title: '注册中...' })
 
 		const studentIds = students.value.map(s => s.id)
-		const res = await apiRegister({
+		let res
+		try {
+		res = await apiRegister({
 			parentName: form.parentName,
 			phone: form.phone,
 			relationship: form.relationship,
 			password: form.password,
 			students: studentIds
 		})
-
+		} catch (error) {
+			console.error('注册请求失败', error)
+			uni.hideLoading()
+			return
+		}
 		uni.hideLoading()
 
-		if (res && res.code === 0 && res.data) {
-			// 保存用户信息
-			setUserInfo(res.data)
-
+		if (res && res.code === 200 && res.data) {
 			// 跳转到注册完成页
 			uni.redirectTo({
 				url: '/pages/register/complete'
diff --git a/pages/register/scan-student.uvue b/pages/register/scan-student.uvue
index 8d0dd10..a03578a 100644
--- a/pages/register/scan-student.uvue
+++ b/pages/register/scan-student.uvue
@@ -160,7 +160,7 @@
 
 		uni.hideLoading()
 
-		if (res && res.code === 0 && res.data) {
+		if (res && res.code === 200 && res.data) {
 			// 检查是否重复绑定
 			const exists = studentList.value.find(s => s.account === res.data!.account)
 			if (exists) {
diff --git a/utils/md5.ts b/utils/md5.ts
new file mode 100644
index 0000000..05db4ca
--- /dev/null
+++ b/utils/md5.ts
@@ -0,0 +1,128 @@
+/**
+ * 计算 MD5 摘要。
+ * 服务端当前要求登录密码以小写 32 位 MD5 字符串传输。
+ */
+export function md5(value: string): string {
+	const bytes = unescape(encodeURIComponent(value))
+	const words: number[] = []
+	const bitLength = bytes.length * 8
+
+	for (let index = 0; index < bytes.length; index++) {
+		words[index >> 2] = (words[index >> 2] || 0) | (bytes.charCodeAt(index) << ((index % 4) * 8))
+	}
+	words[bitLength >> 5] = (words[bitLength >> 5] || 0) | (0x80 << (bitLength % 32))
+	words[(((bitLength + 64) >>> 9) << 4) + 14] = bitLength
+
+	let a = 0x67452301
+	let b = 0xefcdab89
+	let c = 0x98badcfe
+	let d = 0x10325476
+
+	for (let offset = 0; offset < words.length; offset += 16) {
+		const oldA = a
+		const oldB = b
+		const oldC = c
+		const oldD = d
+
+		a = md5Round(a, b, c, d, words[offset] || 0, 7, -680876936)
+		d = md5Round(d, a, b, c, words[offset + 1] || 0, 12, -389564586)
+		c = md5Round(c, d, a, b, words[offset + 2] || 0, 17, 606105819)
+		b = md5Round(b, c, d, a, words[offset + 3] || 0, 22, -1044525330)
+		a = md5Round(a, b, c, d, words[offset + 4] || 0, 7, -176418897)
+		d = md5Round(d, a, b, c, words[offset + 5] || 0, 12, 1200080426)
+		c = md5Round(c, d, a, b, words[offset + 6] || 0, 17, -1473231341)
+		b = md5Round(b, c, d, a, words[offset + 7] || 0, 22, -45705983)
+		a = md5Round(a, b, c, d, words[offset + 8] || 0, 7, 1770035416)
+		d = md5Round(d, a, b, c, words[offset + 9] || 0, 12, -1958414417)
+		c = md5Round(c, d, a, b, words[offset + 10] || 0, 17, -42063)
+		b = md5Round(b, c, d, a, words[offset + 11] || 0, 22, -1990404162)
+		a = md5Round(a, b, c, d, words[offset + 12] || 0, 7, 1804603682)
+		d = md5Round(d, a, b, c, words[offset + 13] || 0, 12, -40341101)
+		c = md5Round(c, d, a, b, words[offset + 14] || 0, 17, -1502002290)
+		b = md5Round(b, c, d, a, words[offset + 15] || 0, 22, 1236535329)
+
+		a = md5Round2(a, b, c, d, words[offset + 1] || 0, 5, -165796510)
+		d = md5Round2(d, a, b, c, words[offset + 6] || 0, 9, -1069501632)
+		c = md5Round2(c, d, a, b, words[offset + 11] || 0, 14, 643717713)
+		b = md5Round2(b, c, d, a, words[offset] || 0, 20, -373897302)
+		a = md5Round2(a, b, c, d, words[offset + 5] || 0, 5, -701558691)
+		d = md5Round2(d, a, b, c, words[offset + 10] || 0, 9, 38016083)
+		c = md5Round2(c, d, a, b, words[offset + 15] || 0, 14, -660478335)
+		b = md5Round2(b, c, d, a, words[offset + 4] || 0, 20, -405537848)
+		a = md5Round2(a, b, c, d, words[offset + 9] || 0, 5, 568446438)
+		d = md5Round2(d, a, b, c, words[offset + 14] || 0, 9, -1019803690)
+		c = md5Round2(c, d, a, b, words[offset + 3] || 0, 14, -187363961)
+		b = md5Round2(b, c, d, a, words[offset + 8] || 0, 20, 1163531501)
+		a = md5Round2(a, b, c, d, words[offset + 13] || 0, 5, -1444681467)
+		d = md5Round2(d, a, b, c, words[offset + 2] || 0, 9, -51403784)
+		c = md5Round2(c, d, a, b, words[offset + 7] || 0, 14, 1735328473)
+		b = md5Round2(b, c, d, a, words[offset + 12] || 0, 20, -1926607734)
+
+		a = md5Round3(a, b, c, d, words[offset + 5] || 0, 4, -378558)
+		d = md5Round3(d, a, b, c, words[offset + 8] || 0, 11, -2022574463)
+		c = md5Round3(c, d, a, b, words[offset + 11] || 0, 16, 1839030562)
+		b = md5Round3(b, c, d, a, words[offset + 14] || 0, 23, -35309556)
+		a = md5Round3(a, b, c, d, words[offset + 1] || 0, 4, -1530992060)
+		d = md5Round3(d, a, b, c, words[offset + 4] || 0, 11, 1272893353)
+		c = md5Round3(c, d, a, b, words[offset + 7] || 0, 16, -155497632)
+		b = md5Round3(b, c, d, a, words[offset + 10] || 0, 23, -1094730640)
+		a = md5Round3(a, b, c, d, words[offset + 13] || 0, 4, 681279174)
+		d = md5Round3(d, a, b, c, words[offset] || 0, 11, -358537222)
+		c = md5Round3(c, d, a, b, words[offset + 3] || 0, 16, -722521979)
+		b = md5Round3(b, c, d, a, words[offset + 6] || 0, 23, 76029189)
+		a = md5Round3(a, b, c, d, words[offset + 9] || 0, 4, -640364487)
+		d = md5Round3(d, a, b, c, words[offset + 12] || 0, 11, -421815835)
+		c = md5Round3(c, d, a, b, words[offset + 15] || 0, 16, 530742520)
+		b = md5Round3(b, c, d, a, words[offset + 2] || 0, 23, -995338651)
+
+		a = md5Round4(a, b, c, d, words[offset] || 0, 6, -198630844)
+		d = md5Round4(d, a, b, c, words[offset + 7] || 0, 10, 1126891415)
+		c = md5Round4(c, d, a, b, words[offset + 14] || 0, 15, -1416354905)
+		b = md5Round4(b, c, d, a, words[offset + 5] || 0, 21, -57434055)
+		a = md5Round4(a, b, c, d, words[offset + 12] || 0, 6, 1700485571)
+		d = md5Round4(d, a, b, c, words[offset + 3] || 0, 10, -1894986606)
+		c = md5Round4(c, d, a, b, words[offset + 10] || 0, 15, -1051523)
+		b = md5Round4(b, c, d, a, words[offset + 1] || 0, 21, -2054922799)
+		a = md5Round4(a, b, c, d, words[offset + 8] || 0, 6, 1873313359)
+		d = md5Round4(d, a, b, c, words[offset + 15] || 0, 10, -30611744)
+		c = md5Round4(c, d, a, b, words[offset + 6] || 0, 15, -1560198380)
+		b = md5Round4(b, c, d, a, words[offset + 13] || 0, 21, 1309151649)
+		a = md5Round4(a, b, c, d, words[offset + 4] || 0, 6, -145523070)
+		d = md5Round4(d, a, b, c, words[offset + 11] || 0, 10, -1120210379)
+		c = md5Round4(c, d, a, b, words[offset + 2] || 0, 15, 718787259)
+		b = md5Round4(b, c, d, a, words[offset + 9] || 0, 21, -343485551)
+
+		a = (a + oldA) | 0
+		b = (b + oldB) | 0
+		c = (c + oldC) | 0
+		d = (d + oldD) | 0
+	}
+
+	return [a, b, c, d].map((word) => {
+		let result = ''
+		for (let index = 0; index < 4; index++) {
+			result += ((word >> (index * 8)) & 0xff).toString(16).padStart(2, '0')
+		}
+		return result
+	}).join('')
+}
+
+function md5Round(a: number, b: number, c: number, d: number, value: number, shift: number, constant: number): number {
+	return md5Rotate((a + ((b & c) | (~b & d)) + value + constant) | 0, shift) + b | 0
+}
+
+function md5Round2(a: number, b: number, c: number, d: number, value: number, shift: number, constant: number): number {
+	return md5Rotate((a + ((b & d) | (c & ~d)) + value + constant) | 0, shift) + b | 0
+}
+
+function md5Round3(a: number, b: number, c: number, d: number, value: number, shift: number, constant: number): number {
+	return md5Rotate((a + (b ^ c ^ d) + value + constant) | 0, shift) + b | 0
+}
+
+function md5Round4(a: number, b: number, c: number, d: number, value: number, shift: number, constant: number): number {
+	return md5Rotate((a + (c ^ (b | ~d)) + value + constant) | 0, shift) + b | 0
+}
+
+function md5Rotate(value: number, shift: number): number {
+	return (value << shift) | (value >>> (32 - shift))
+}
diff --git a/utils/request.ts b/utils/request.ts
index 82acfb4..f52da15 100644
--- a/utils/request.ts
+++ b/utils/request.ts
@@ -22,7 +22,7 @@ export type RequestConfig = {
 }
 
 // 基础URL配置 - 虚拟接口
-const BASE_URL = 'https://mock-api.example.com'
+const BASE_URL = 'https://localhost:7145'
 
 // 请求超时时间
 const TIMEOUT = 10000
@@ -112,7 +112,7 @@ function responseInterceptor<T>(response: UniNamespace.RequestSuccessCallbackRes
 	const result = response.data as ApiResponse<T>
 	
 	// 业务状态码检查
-	if (result.code !== 0) {
+	if (result.code !== 200) {
 		handleError(result.code, result.message, config.showError)
 		return null
 	}
@@ -371,7 +371,7 @@ function createMockResponse<T>(config: RequestConfig): ApiResponse<T> {
 	}
 
 	return {
-		code: 0,
+		code: 200,
 		message: 'success',
 		data: data as T
 	}
@@ -385,7 +385,7 @@ export function request<T>(config: RequestConfig): Promise<ApiResponse<T> | null
 		// 请求拦截
 		const finalConfig = requestInterceptor(config)
 
-		if (USE_MOCK_API) {
+		if (USE_MOCK_API && !finalConfig.url.includes('/api/v1/Parents/')) {
 			const delay = Math.floor(Math.random() * (MOCK_RESPONSE_MAX_DELAY + 1))
 			setTimeout(() => {
 				if (finalConfig.showLoading !== false) {
@@ -416,7 +416,8 @@ export function request<T>(config: RequestConfig): Promise<ApiResponse<T> | null
 				
 				// 网络错误处理
 				handleError(-1, err.errMsg ?? '网络连接失败', finalConfig.showError)
-				reject(err)
+				// 将网络失败转换为统一的空响应，避免页面事件中出现未处理 Promise 异常。
+				resolve(null)
 			}
 		})
 	})