diff --git a/src/vendor/tianai-captcha/captcha/captcha.js b/src/vendor/tianai-captcha/captcha/captcha.js
index e90c1ed..259c50b 100644
--- a/src/vendor/tianai-captcha/captcha/captcha.js
+++ b/src/vendor/tianai-captcha/captcha/captcha.js
@@ -15,9 +15,8 @@ const template = `
   </div>
   <!-- 底部 -->
   <div class="slider-bottom">
-  <img class="logo" id="tianai-captcha-logo" src="data:image/png;base64,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" id="tianai-captcha-logo"></img>
-  <div class="close-btn" id="tianai-captcha-slider-close-btn"></div>
-  <div class="refresh-btn" id="tianai-captcha-slider-refresh-btn"></div>
+    <div class="refresh-btn" id="tianai-captcha-slider-refresh-btn"></div>
+    <div class="close-btn" id="tianai-captcha-slider-close-btn"></div>
   </div>
   </div>
   `;
@@ -28,7 +27,6 @@ function createCaptchaByType(type, tac) {
     case "SLIDER":
       return new Slider(box, styleConfig);
     case "ROTATE":
-    case "ROTATE_DEGREE":
       return new Rotate(box, styleConfig);
     case "CONCAT":
       return new Concat(box, styleConfig);
@@ -103,20 +101,12 @@ class TianAiCaptcha {
   loadStyle() {
     // 设置样式
     const bgUrl = this.style.bgUrl;
-    const logoUrl = this.style.logoUrl;
     if (bgUrl) {
       // 背景图片
       this.config.domBindEl
         .find("#tianai-captcha-bg-img")
         .css("background-image", "url(" + bgUrl + ")");
     }
-    if (logoUrl && logoUrl !== "") {
-      // logo
-      this.config.domBindEl.find("#tianai-captcha-logo").attr("src", logoUrl);
-    } else if (logoUrl === null) {
-      // 删除logo
-      this.config.domBindEl.find("#tianai-captcha-logo").css("display", "none");
-    }
   }
 
   destroyWindow() {
@@ -167,6 +157,12 @@ class TianAiCaptcha {
         // 清空
         const id = c.currentCaptchaData.currentCaptchaId;
         c.currentCaptchaData = undefined;
+        if (this.config.onDataReady) {
+          Promise.resolve(this.config.onDataReady({ id, data }, c, this)).catch((error) => {
+            console.error("[TAC] onDataReady callback failed", error);
+          });
+          return;
+        }
         // 调用验证接口
         this.config.validCaptcha(id, data, c, this);
       });
@@ -180,9 +176,7 @@ class TianAiCaptcha {
       this.C.el.css("transform", "translateX(300px)");
       setTimeout(() => {
         this.C.destroy();
-        if (callback) {
-          callback();
-        }
+        callback && callback();
       }, 500);
     } else {
       callback();
diff --git a/src/vendor/tianai-captcha/captcha/captcha.less b/src/vendor/tianai-captcha/captcha/captcha.less
index cfcdc3b..c0770cc 100644
--- a/src/vendor/tianai-captcha/captcha/captcha.less
+++ b/src/vendor/tianai-captcha/captcha/captcha.less
@@ -1,7 +1,6 @@
 #tianai-captcha-parent {
   box-shadow: 0 0 11px 0 #999999;
   width: 318px;
-  height: 318px;
   overflow: hidden;
   position: relative;
   z-index: 997;
@@ -47,32 +46,25 @@
   }
 
   .slider-bottom {
-    .close-btn {
+    .close-btn, .refresh-btn {
+      display: inline-block;
       width: 20px;
       height: 20px;
-      background-image: url("../images/icon.png");
       background-repeat: no-repeat;
-      background-position: 0 -14px;
-      float: right;
-      margin-right: 2px;
       cursor: pointer;
     }
+    .close-btn {
+      background-image: url("../images/icon.png");
+      background-position: 0 -14px;
+      margin-right: 2px;
+    }
     .refresh-btn {
-      width: 20px;
-      height: 20px;
       background-image: url("../images/icon.png");
       background-position: 0 -167px;
-      background-repeat: no-repeat;
-      float: right;
       margin-right: 10px;
-      cursor: pointer;
     }
-    .logo {
-      height: 30px;
-      float: left;
-    }
-    height: 19px;
-    width: 100%;
+    text-align: right;
+    margin-top: 8px;
   }
   .slider-move-shadow {
     animation: myanimation 2s infinite;
diff --git a/src/vendor/tianai-captcha/captcha/common/common.less b/src/vendor/tianai-captcha/captcha/common/common.less
index 5d9ed4c..0157de2 100644
--- a/src/vendor/tianai-captcha/captcha/common/common.less
+++ b/src/vendor/tianai-captcha/captcha/common/common.less
@@ -70,7 +70,6 @@
     top: 0;
     width: 100%;
     height: 100%;
-    border-radius: 5px;
     .tianai-captcha-slider-bg-div-slice {
       position: absolute;
     }
diff --git a/src/vendor/tianai-captcha/captcha/config/config.js b/src/vendor/tianai-captcha/captcha/config/config.js
index 8c354b2..4625e19 100644
--- a/src/vendor/tianai-captcha/captcha/config/config.js
+++ b/src/vendor/tianai-captcha/captcha/config/config.js
@@ -8,7 +8,7 @@ class CaptchaConfig {
     if (!args.requestCaptchaDataUrl) {
       throw new Error("[TAC] 必须配置 [requestCaptchaDataUrl]请求验证码接口");
     }
-    if (!args.validCaptchaUrl) {
+    if (!args.validCaptchaUrl && !args.onDataReady) {
       throw new Error("[TAC] 必须配置 [validCaptchaUrl]验证验证码接口");
     }
     this.bindEl = args.bindEl;
@@ -21,6 +21,9 @@ class CaptchaConfig {
     if (args.validFail) {
       this.validFail = args.validFail;
     }
+    if (args.onDataReady) {
+      this.onDataReady = args.onDataReady;
+    }
     if (args.requestHeaders) {
       this.requestHeaders = args.requestHeaders;
     } else {
diff --git a/src/vendor/tianai-captcha/captcha/slider/slider.less b/src/vendor/tianai-captcha/captcha/slider/slider.less
index 9745e79..a3362bf 100644
--- a/src/vendor/tianai-captcha/captcha/slider/slider.less
+++ b/src/vendor/tianai-captcha/captcha/slider/slider.less
@@ -17,7 +17,6 @@
     img {
       height: 100%;
       width: 100%;
-      border-radius: 5px;
     }
   }
   .slider-img-div {
diff --git a/src/vendor/tianai-captcha/index.ts b/src/vendor/tianai-captcha/index.ts
index 72815bd..7d61c3a 100644
--- a/src/vendor/tianai-captcha/index.ts
+++ b/src/vendor/tianai-captcha/index.ts
@@ -2,9 +2,13 @@ import { CaptchaConfig, TianAiCaptcha } from "./captcha/captcha.js"
 
 export type TianAiCaptchaBindTarget = string | HTMLElement
 
+export interface TianAiCaptchaResult {
+  id: string
+  data: Record<string, any>
+}
+
 export interface TianAiCaptchaStyle {
   btnUrl?: string
-  logoUrl?: string | null
   bgUrl?: string
   moveTrackMaskBgColor?: string
   moveTrackMaskBorderColor?: string
@@ -14,11 +18,12 @@ export interface TianAiCaptchaStyle {
 export interface TianAiCaptchaConfig {
   bindEl: TianAiCaptchaBindTarget
   requestCaptchaDataUrl: string
-  validCaptchaUrl: string
+  validCaptchaUrl?: string
   requestHeaders?: Record<string, string>
   timeToTimestamp?: boolean
   validSuccess?: (res: any, captcha: any, tac: TianAiCaptchaInstance) => void
   validFail?: (res: any, captcha: any, tac: TianAiCaptchaInstance) => void
+  onDataReady?: (result: TianAiCaptchaResult, captcha: any, tac: TianAiCaptchaInstance) => void | Promise<void>
   btnRefreshFun?: (el: Event, tac: TianAiCaptchaInstance) => void
   btnCloseFun?: (el: Event, tac: TianAiCaptchaInstance) => void
 }
diff --git a/src/views/Login.vue b/src/views/Login.vue
index 9c175bb..b92236f 100644
--- a/src/views/Login.vue
+++ b/src/views/Login.vue
@@ -18,7 +18,7 @@
               placeholder="请输入用户名"
               prefix-icon="User"
               size="large"
-              @keyup.enter="login"
+              @keyup.enter="handleLogin"
             />
           </el-form-item>
           <el-form-item label="密码" prop="password">
@@ -29,35 +29,74 @@
               prefix-icon="Lock"
               size="large"
               show-password
-              @keyup.enter="login"
+              @keyup.enter="handleLogin"
             />
           </el-form-item>
-          <el-button class="login-btn" type="primary" size="large" :loading="loading" @click="login" plain>
+          <el-button class="login-btn" type="primary" size="large" :loading="loading" @click="handleLogin" plain>
             登 录
           </el-button>
         </el-form>
       </div>
     </div>
+
+    <el-dialog
+      v-model="captchaDialogVisible"
+      class="captcha-dialog"
+      width="460px"
+      align-center
+      destroy-on-close
+      append-to-body
+      title="安全验证"
+      :close-on-click-modal="!loading"
+      :close-on-press-escape="!loading"
+      :show-close="!loading"
+      @closed="handleCaptchaDialogClosed"
+    >
+      <p class="captcha-dialog-subtitle">请先完成验证码校验，再继续登录。</p>
+      <div ref="captchaBoxRef" class="captcha-box"></div>
+    </el-dialog>
   </div>
 </template>
 <script setup lang="ts">
-import { reactive, ref } from 'vue'
+import { nextTick, onBeforeUnmount, reactive, ref } from 'vue'
 import { useStore } from 'vuex'
 import { useRouter } from 'vue-router'
 import { ElMessage } from 'element-plus'
 import type { VForm } from '../types'
 import http from '@/utils/http'
+import {
+  createTianAiCaptcha,
+  type TianAiCaptchaConfig,
+  type TianAiCaptchaInstance,
+  type TianAiCaptchaResult
+} from '@/vendor/tianai-captcha'
 
-type UserInfo = {
+type LoginFormState = {
   username: string | null,
   password: string | null
 }
 
+type LoginRequest = LoginFormState & {
+  captchaId?: string,
+  captchaData?: Record<string, any>
+}
+
+type LoginConfigResponse = {
+  captcha?: {
+    enabled?: boolean
+  }
+}
+
 const store = useStore()
 const router = useRouter()
 const loginForm = ref<VForm>()
+const captchaBoxRef = ref<HTMLElement | null>(null)
+const captchaDialogVisible = ref(false)
+const captchaInstance = ref<TianAiCaptchaInstance | null>(null)
+const requestCaptchaDataUrl = buildApiUrl('/captcha/gen')
+const captchaErrorPattern = /验证码|captcha/i
 
-const userInfo: UserInfo = reactive({
+const userInfo: LoginFormState = reactive({
   username: null,
   password: null
 })
@@ -77,19 +116,130 @@ store.commit('logout')
 store.commit('clearTabs')
 localStorage.clear()
 
-async function login() {
+async function openCaptchaDialog() {
+  captchaDialogVisible.value = true
+  await nextTick()
+  initCaptcha()
+}
+
+async function handleLogin() {
   loginForm.value?.validate(async (valid: boolean) => {
-    if (!valid) return
+    if (!valid || loading.value) return
+
     loading.value = true
-    const data = await http.post<UserInfo, any>('/common/login', userInfo).finally(() => {
+
+    try {
+      const loginConfig = await http.get<any, LoginConfigResponse>('/common/loginConfig', {
+        params: {
+          username: userInfo.username,
+        }
+      })
+
+      if (loginConfig.captcha?.enabled) {
+        loading.value = false
+        await openCaptchaDialog()
+        return
+      }
+
+      await submitLogin(userInfo)
+    } catch {
       loading.value = false
-    })
-    if (data.token) {
-      store.commit('login', data)
-      router.push('/')
     }
   })
 }
+
+function initCaptcha() {
+  if (!captchaBoxRef.value) {
+    captchaDialogVisible.value = false
+    ElMessage.error('验证码容器初始化失败')
+    return
+  }
+
+  destroyCaptcha(false)
+
+  const config: TianAiCaptchaConfig = {
+    bindEl: captchaBoxRef.value,
+    requestCaptchaDataUrl,
+    onDataReady: handleCaptchaSolved,
+    btnRefreshFun: (_el, tac) => {
+      tac.reloadCaptcha()
+    },
+    btnCloseFun: () => {
+      closeCaptchaDialog()
+    }
+  }
+
+  captchaInstance.value = createTianAiCaptcha(config)
+  captchaInstance.value.init()
+}
+
+async function handleCaptchaSolved(result: TianAiCaptchaResult) {
+  if (loading.value) return
+
+  loading.value = true
+
+  try {
+    await submitLogin({
+      ...userInfo,
+      captchaId: result.id,
+      captchaData: result.data,
+    })
+  } catch (error) {
+    if (isCaptchaError(error)) {
+      captchaInstance.value?.reloadCaptcha()
+    } else {
+      closeCaptchaDialog()
+    }
+  } finally {
+    loading.value = false
+  }
+}
+
+async function submitLogin(payload: LoginRequest) {
+  const data = await http.post<LoginRequest, any>('/common/login', payload)
+
+  closeCaptchaDialog(false)
+  if (data.token) {
+    store.commit('login', data)
+    router.push('/')
+  }
+}
+
+function closeCaptchaDialog(resetLoading = true) {
+  captchaDialogVisible.value = false
+  destroyCaptcha(false)
+  if (resetLoading) {
+    loading.value = false
+  }
+}
+
+function handleCaptchaDialogClosed() {
+  destroyCaptcha(false)
+}
+
+function destroyCaptcha(showMessage = false) {
+  if (!captchaInstance.value) return
+  captchaInstance.value.destroyWindow()
+  captchaInstance.value = null
+  if (showMessage) {
+    console.info('[login captcha] destroy captcha instance')
+  }
+}
+
+function buildApiUrl(path: string) {
+  const normalizedBase = (import.meta.env.VITE_APP_API_BASE || '').replace(/\/+$/, '')
+  const normalizedPath = path.startsWith('/') ? path : `/${path}`
+  return `${normalizedBase}${normalizedPath}`
+}
+
+function isCaptchaError(error: unknown) {
+  if (error instanceof Error) {
+    return captchaErrorPattern.test(error.message)
+  }
+  return false
+}
+
+onBeforeUnmount(() => destroyCaptcha())
 </script>
 <style lang="less" scoped>
 .login-page {
@@ -227,4 +377,15 @@ async function login() {
     border-radius: 8px;
   }
 }
+
+.captcha-dialog-subtitle {
+  margin: 0 0 16px;
+  color: var(--el-text-color-secondary);
+  font-size: 14px;
+}
+
+.captcha-box {
+  width: fit-content;
+  margin: 0 auto;
+}
 </style>
\ No newline at end of file