diff --git a/src/i18n/modules/common/en-US.ts b/src/i18n/modules/common/en-US.ts
index 3f06eb9..cb44fc4 100644
--- a/src/i18n/modules/common/en-US.ts
+++ b/src/i18n/modules/common/en-US.ts
@@ -94,6 +94,7 @@ export default {
     dividersText: "Or",
     actions: {
       sendCode: "Send code",
+      resendCodeCountdown: "Resend in {seconds}s",
       refreshImageCode: "Refresh captcha",
       login: "Sign in",
     },
diff --git a/src/i18n/modules/common/th-TH.ts b/src/i18n/modules/common/th-TH.ts
index 0583f4c..93f99ec 100644
--- a/src/i18n/modules/common/th-TH.ts
+++ b/src/i18n/modules/common/th-TH.ts
@@ -94,6 +94,7 @@ export default {
     dividersText: "หรือ",
     actions: {
       sendCode: "ส่งรหัส",
+      resendCodeCountdown: "ส่งอีกครั้งใน {seconds}s",
       refreshImageCode: "รีเฟรชแคปต์ชา",
       login: "เข้าสู่ระบบ",
     },
diff --git a/src/i18n/modules/common/zh-CN.ts b/src/i18n/modules/common/zh-CN.ts
index 70aa305..e6e3cdb 100644
--- a/src/i18n/modules/common/zh-CN.ts
+++ b/src/i18n/modules/common/zh-CN.ts
@@ -94,6 +94,7 @@ export default {
     dividersText: "或",
     actions: {
       sendCode: "获取验证码",
+      resendCodeCountdown: "{seconds}s 后重发",
       refreshImageCode: "刷新图形验证码",
       login: "登录",
     },
diff --git a/src/pages/home/components/DrawerSection/index.vue b/src/pages/home/components/DrawerSection/index.vue
index a440b63..8f70ea2 100644
--- a/src/pages/home/components/DrawerSection/index.vue
+++ b/src/pages/home/components/DrawerSection/index.vue
@@ -33,23 +33,26 @@
         </div>
 
         <!-- 底部退出按钮 -->
-        <span class="flex items-center justify-center h-[42px] mt-[40px] bg-white text-[#333] rounded-[4px] border-none"
-          @click="handleLogout">{{ t("home.drawer.logout") }}</span>
+        <button type="button"
+          class="flex items-center justify-center w-full h-[42px] mt-[40px] bg-white text-[#333] rounded-[4px] border-none active:bg-[#f5f5f5]"
+          @click="handleLogout">{{ t("home.drawer.logout") }}</button>
       </div>
     </div>
   </van-popup>
 </template>
 
 <script setup>
-import { computed, ref, defineEmits, defineExpose } from "vue";
+import { computed, ref } from "vue";
 import { useI18n } from "vue-i18n";
 import { checkToken } from "@/hooks/useGoLogin";
+import { goLogin } from "@/hooks/useNavigator";
 import { getLoginUserPhone } from "@/api/login";
 import { NOTICE_EVENT_LOGOUT } from "@/constants/constant";
 import { getCurrentLocale, setLocale } from "@/i18n";
-import { useAppStore } from "@/store";
+import { logoutLocalSession } from "@/utils/authSession";
+import { emitter } from "@/utils/events";
+import { setAuthToken } from "@/utils/request";
 
-const appStore = useAppStore();
 const { t } = useI18n();
 const drawerRef = ref(null);
 
@@ -105,7 +108,13 @@ const handleMenuClick = (item) => {
 };
 
 // 退出登录
-const handleLogout = () => { };
+const handleLogout = async () => {
+  logoutLocalSession(setAuthToken);
+  userInfo.value.phone = "";
+  close();
+  emitter.emit(NOTICE_EVENT_LOGOUT);
+  await goLogin();
+};
 
 defineExpose({
   open,
diff --git a/src/pages/login/index.vue b/src/pages/login/index.vue
index 023cbdd..78fb13c 100644
--- a/src/pages/login/index.vue
+++ b/src/pages/login/index.vue
@@ -32,9 +32,9 @@
             :label="t('common.login.fields.code')" :placeholder="t('common.login.placeholders.code')"
             autocomplete="one-time-code">
             <template #button>
-              <van-button class="rounded-full" size="small" :loading="smsSending" :disabled="smsSending"
+              <van-button class="rounded-full" size="small" :loading="smsSending" :disabled="!canSendSmsCode"
                 @click="handleSendCode">
-                {{ t('common.login.actions.sendCode') }}
+                {{ sendCodeText }}
               </van-button>
             </template>
           </van-field>
@@ -89,7 +89,7 @@
 </template>
 
 <script setup lang="ts">
-import { computed, nextTick, onMounted, ref } from "vue";
+import { computed, nextTick, onMounted, onUnmounted, ref } from "vue";
 import { useRoute, useRouter } from "vue-router";
 import { useI18n } from "vue-i18n";
 import { showToast } from "vant";
@@ -167,6 +167,8 @@ const imageRandomStr = ref(createCaptchaRandomStr());
 const captchaImageUrl = ref(buildCaptchaImageUrl(imageRandomStr.value));
 const phoneSubmitting = ref(false);
 const smsSending = ref(false);
+const smsCountdown = ref(0);
+let smsCountdownTimer: ReturnType<typeof window.setInterval> | null = null;
 
 const filteredCountries = computed(() => {
   const q = countrySearch.value.trim().toLowerCase();
@@ -201,6 +203,26 @@ const canSubmitPhoneLogin = computed(() => {
   );
 });
 
+const canSendSmsCode = computed(() => {
+  const phoneDigits = phone.value.replace(/\D/g, "");
+  return (
+    phoneDigits.length >= 6 &&
+    imageCode.value.trim().length > 0 &&
+    !smsSending.value &&
+    smsCountdown.value === 0
+  );
+});
+
+const sendCodeText = computed(() => {
+  if (smsCountdown.value <= 0) {
+    return t("common.login.actions.sendCode");
+  }
+
+  return t("common.login.actions.resendCodeCountdown", {
+    seconds: smsCountdown.value,
+  });
+});
+
 function handleSelectCountry(item: { name: string; iso2: string; dialCode: string }) {
   selectedCountry.value = item;
   countryPopupVisible.value = false;
@@ -213,6 +235,26 @@ function refreshCaptchaImage() {
   imageCode.value = "";
 }
 
+function clearSmsCountdownTimer() {
+  if (smsCountdownTimer === null) {
+    return;
+  }
+  window.clearInterval(smsCountdownTimer);
+  smsCountdownTimer = null;
+}
+
+function startSmsCountdown() {
+  clearSmsCountdownTimer();
+  smsCountdown.value = 60;
+  smsCountdownTimer = window.setInterval(() => {
+    smsCountdown.value -= 1;
+    if (smsCountdown.value <= 0) {
+      smsCountdown.value = 0;
+      clearSmsCountdownTimer();
+    }
+  }, 1000);
+}
+
 async function handleSendCode() {
   const phoneDigits = phone.value.replace(/\D/g, "");
   const imageCodeValue = imageCode.value.trim();
@@ -235,6 +277,7 @@ async function handleSendCode() {
       imageCode: imageCodeValue,
     });
     showToast(t("common.login.tips.codeSent"));
+    startSmsCountdown();
   } catch (e: unknown) {
     console.error(e);
     showToast(resolveLoginErrorMessage(e, t("common.errors.network")));
@@ -393,6 +436,10 @@ onMounted(() => {
       console.error(e);
     });
 });
+
+onUnmounted(() => {
+  clearSmsCountdownTimer();
+});
 </script>
 
 <style scoped>
diff --git a/src/utils/authSession.test.ts b/src/utils/authSession.test.ts
new file mode 100644
index 0000000..4bd34a6
--- /dev/null
+++ b/src/utils/authSession.test.ts
@@ -0,0 +1,90 @@
+import assert from "node:assert/strict";
+import { afterEach, beforeEach, describe, it } from "node:test";
+import {
+  getAccessToken,
+  getRefreshToken,
+  storeAuthTokens,
+} from "../constants/token.ts";
+import { logoutLocalSession } from "./authSession.ts";
+
+type CookieEntry = {
+  value: string;
+};
+
+function installCookieDocument() {
+  const cookies = new Map<string, CookieEntry>();
+  const previous = Object.getOwnPropertyDescriptor(globalThis, "document");
+
+  Object.defineProperty(globalThis, "document", {
+    configurable: true,
+    value: {
+      get cookie() {
+        return Array.from(cookies.entries())
+          .map(([name, entry]) => `${name}=${entry.value}`)
+          .join("; ");
+      },
+      set cookie(rawCookie: string) {
+        const [nameValue, ...attributes] = rawCookie
+          .split(";")
+          .map((item) => item.trim());
+        const [name, value] = nameValue.split("=");
+        const maxAge = attributes.find((item) =>
+          item.toLowerCase().startsWith("max-age="),
+        );
+
+        if (maxAge?.toLowerCase() === "max-age=0") {
+          cookies.delete(name);
+          return;
+        }
+
+        cookies.set(name, { value });
+      },
+    },
+  });
+
+  return () => {
+    if (previous) {
+      Object.defineProperty(globalThis, "document", previous);
+      return;
+    }
+
+    Reflect.deleteProperty(globalThis, "document");
+  };
+}
+
+describe("auth session", () => {
+  let restoreDocument: () => void;
+
+  beforeEach(() => {
+    restoreDocument = installCookieDocument();
+  });
+
+  afterEach(() => {
+    logoutLocalSession();
+    restoreDocument();
+  });
+
+  it("clears stored oauth tokens on local logout", () => {
+    storeAuthTokens(
+      {
+        access_token: "access.token",
+        refresh_token: "refresh.token",
+        expires_in: "120",
+      },
+      { nowMs: 1_000, requireRefreshToken: true },
+    );
+
+    logoutLocalSession();
+
+    assert.equal(getAccessToken(), null);
+    assert.equal(getRefreshToken(), null);
+  });
+
+  it("resets runtime auth token when a setter is provided", () => {
+    const values: Array<string | null> = [];
+
+    logoutLocalSession((token) => values.push(token));
+
+    assert.deepEqual(values, [null]);
+  });
+});
diff --git a/src/utils/authSession.ts b/src/utils/authSession.ts
new file mode 100644
index 0000000..35730f5
--- /dev/null
+++ b/src/utils/authSession.ts
@@ -0,0 +1,8 @@
+import { clearAuthTokens } from "../constants/token.ts";
+
+export type AuthTokenSetter = (token: string | null) => void;
+
+export function logoutLocalSession(setAuthToken?: AuthTokenSetter): void {
+  clearAuthTokens();
+  setAuthToken?.(null);
+}