diff --git a/frontend/src/views/Login.vue b/frontend/src/views/Login.vue
index 1f10382..10d8bff 100644
--- a/frontend/src/views/Login.vue
+++ b/frontend/src/views/Login.vue
@@ -198,10 +198,12 @@
             @click="handleDingTalkLogin"
             :loading="dingTalkLoginLoading"
           >
-            <!-- 钉钉logo - 使用白色圆形图标，类似钉钉的样式 -->
-            <svg class="dingtalk-logo" viewBox="0 0 24 24" width="20" height="20" fill="none" xmlns="http://www.w3.org/2000/svg">
-              <circle cx="12" cy="12" r="10" stroke="currentColor" stroke-width="2" fill="none"/>
-              <circle cx="12" cy="12" r="4" fill="currentColor"/>
+            <!-- 钉钉logo - 白色圆形带内部图形 -->
+            <svg class="dingtalk-logo" viewBox="0 0 64 64" width="20" height="20" fill="currentColor" xmlns="http://www.w3.org/2000/svg">
+              <circle cx="32" cy="32" r="28" fill="currentColor"/>
+              <circle cx="32" cy="32" r="24" fill="none" stroke="white" stroke-width="2"/>
+              <circle cx="32" cy="24" r="3" fill="white"/>
+              <rect x="29" y="30" width="6" height="8" rx="1" fill="white"/>
             </svg>
             钉钉登录
           </a-button>