diff --git a/src/api/login.ts b/src/api/login.ts
index d9ff205..e96ab3e 100644
--- a/src/api/login.ts
+++ b/src/api/login.ts
@@ -6,23 +6,51 @@ export interface OauthTokenRequest {
   grant_type?: string;
   openIdCode?: string[];
   scope?: string;
+  mobile?: string;
+  code?: string;
   [property: string]: any;
 }
 
-export function oauthToken(args: OauthTokenRequest) {
+export function buildFormUrlEncodedParams(
+  data: Record<string, unknown>,
+): URLSearchParams {
+  const params = new URLSearchParams();
+  Object.entries(data).forEach(([key, value]) => {
+    if (value === undefined || value === null) return;
+    if (Array.isArray(value)) {
+      value.forEach((item) => {
+        if (item === undefined || item === null) return;
+        params.append(key, String(item));
+      });
+      return;
+    }
+    params.append(key, String(value));
+  });
+  return params;
+}
+
+export function oauthToken(data: OauthTokenRequest) {
+  const params = buildFormUrlEncodedParams(data as Record<string, unknown>);
+
   return request({
     url: "/auth/oauth2/token",
     method: "post",
-    data: args,
+    data: params,
+    headers: {
+      "Content-Type": "application/x-www-form-urlencoded",
+      Authorization: "Basic Y3VzdG9tOmN1c3RvbQ==",
+    },
   });
 }
 
-// 绑定用户手机号
-export function bindUserPhone(args: any) {
+// 发送手机验证码
+export function sendCode(mobile: string) {
+  const value = (mobile ?? "").trim();
+  const encoded = encodeURIComponent(value);
+
   return request({
-    url: "/hotelBiz/user/bindUserPhone",
-    method: "post",
-    data: args,
+    url: `/admin/mobile/${encoded}`,
+    method: "get",
   });
 }
 
diff --git a/src/pages/login/index.vue b/src/pages/login/index.vue
index 5cab2bb..df91535 100644
--- a/src/pages/login/index.vue
+++ b/src/pages/login/index.vue
@@ -79,7 +79,8 @@
 import { computed, nextTick, onMounted, ref } from "vue";
 import { useRouter } from "vue-router";
 import { useI18n } from "vue-i18n";
-import { oauthToken } from "@/api/login";
+import { showToast } from "vant";
+import { oauthToken, sendCode } from "@/api/login";
 import { COUNTRY_CALLING_CODES, findCountryCallingCode } from "@/constants/countryCallingCodes";
 import { getCurrentLocale, setLocale } from "@/i18n";
 import { Globe } from '@lucide/vue'
@@ -148,8 +149,20 @@ function handleSelectCountry(item: { name: string; iso2: string; dialCode: strin
   countrySearch.value = "";
 }
 
-function handleSendCode() {
-  showToast(t("common.login.tips.smsApiMissing"));
+async function handleSendCode() {
+  const phoneDigits = phone.value.replace(/\D/g, "");
+
+  if (!phoneDigits) {
+    showToast(t("common.login.errors.missingPhone"));
+    return;
+  }
+
+  try {
+    await sendCode(`${selectedCountry.value.dialCode}${phoneDigits}`);
+  } catch (e: unknown) {
+    console.error(e);
+    showToast(t("common.errors.network"));
+  }
 }
 
 async function waitForGoogleButtonContainer(): Promise<HTMLElement> {
@@ -197,11 +210,14 @@ async function handlePhoneLogin() {
   }
 
   phoneSubmitting.value = true;
+
   try {
     await oauthToken({
       clientId: import.meta.env.VITE_CLIENT_ID,
-      openIdCode: [`${selectedCountry.value.dialCode}${phoneDigits}`, codeValue],
-      grant_type: "sms",
+      scope: "server",
+      mobile: phoneDigits,
+      code: codeValue,
+      grant_type: "mobile",
     });
     router.go(-1);
   } catch (e: unknown) {