diff --git a/dashboard/src/theme/DarkTheme.ts b/dashboard/src/theme/DarkTheme.ts
index 9276c8f98..5906eca32 100644
--- a/dashboard/src/theme/DarkTheme.ts
+++ b/dashboard/src/theme/DarkTheme.ts
@@ -39,7 +39,8 @@ const PurpleThemeDark: ThemeTypes = {
     background: '#111111',
     overlay: '#111111aa',
     codeBg: '#282833',
-    code: '#ffffffdd'
+    code: '#ffffffdd',
+    chatMessageBubble: '#2d2e30',
   }
 };
 
diff --git a/dashboard/src/theme/LightTheme.ts b/dashboard/src/theme/LightTheme.ts
index 35aa1339a..a555fddd7 100644
--- a/dashboard/src/theme/LightTheme.ts
+++ b/dashboard/src/theme/LightTheme.ts
@@ -39,7 +39,8 @@ const PurpleTheme: ThemeTypes = {
     background: '#f9fafcf4',
     overlay: '#ffffffaa',
     codeBg: '#f5f0ff',
-    code: '#673ab7'
+    code: '#673ab7',
+    chatMessageBubble: '#e7ebf4',
   }
 };
 
diff --git a/dashboard/src/types/themeTypes/ThemeType.ts b/dashboard/src/types/themeTypes/ThemeType.ts
index 69b00a1ab..f5e2e5491 100644
--- a/dashboard/src/types/themeTypes/ThemeType.ts
+++ b/dashboard/src/types/themeTypes/ThemeType.ts
@@ -35,5 +35,6 @@ export type ThemeTypes = {
     secondary200?: string;
     codeBg?: string;
     code?: string;
+    chatMessageBubble?: string;
   };
 };
diff --git a/dashboard/src/views/ChatPage.vue b/dashboard/src/views/ChatPage.vue
index fadba8aac..c47509ab5 100644
--- a/dashboard/src/views/ChatPage.vue
+++ b/dashboard/src/views/ChatPage.vue
@@ -175,7 +175,7 @@
                         <div v-else class="message-list">
                             <div class="message-item fade-in" v-for="(msg, index) in messages" :key="index">
                                 <!-- 用户消息 -->
-                                <div v-if="msg.type == 'user'" class="user-message">
+                                <div v-if="msg.type == 'user'" class="user-message" style="background-color: var(--v-theme-chatMessageBubble);">
                                     <div class="message-bubble user-bubble">
                                         <span>{{ msg.message }}</span>
 
@@ -195,15 +195,12 @@
                                             </audio>
                                         </div>
                                     </div>
-                                    <v-avatar class="user-avatar" color="deep-purple-lighten-3" size="36">
-                                        <v-icon icon="mdi-account" />
-                                    </v-avatar>
                                 </div>
 
                                 <!-- 机器人消息 -->
                                 <div v-else class="bot-message">
-                                    <v-avatar class="bot-avatar" color="deep-purple" size="36">
-                                        <span class="text-h6">✨</span>
+                                    <v-avatar class="bot-avatar" size="36">
+                                        <span class="text-h2">✨</span>
                                     </v-avatar>
                                     <div class="message-bubble bot-bubble">
                                         <div v-html="marked(msg.message)" class="markdown-content"></div>
@@ -1574,28 +1571,25 @@ export default {
 }
 
 .message-bubble {
-    padding: 12px 16px;
-    border-radius: 18px;
+    padding: 8px 16px;
+    border-radius: 12px;
     max-width: 80%;
-    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
 }
 
 .user-bubble {
-    background-color: var(--v-theme-background);
+    background-color: var(--v-theme-chatMessageBubble);
     color: var(--v-theme-primaryText);
-    border-top-right-radius: 4px;
 }
 
 .bot-bubble {
-    background-color: var(--v-theme-surface);
     border: 1px solid var(--v-theme-border);
     color: var(--v-theme-primaryText);
-    border-top-left-radius: 4px;
 }
 
 .user-avatar,
 .bot-avatar {
-    align-self: flex-end;
+    align-self: flex-start;
+    margin-top: 12px;
 }
 
 /* 附件样式 */