diff --git a/ui/src/components/ai-chat/component/question-content/index.vue b/ui/src/components/ai-chat/component/question-content/index.vue
index 4678a5e56..1016fc9c3 100644
--- a/ui/src/components/ai-chat/component/question-content/index.vue
+++ b/ui/src/components/ai-chat/component/question-content/index.vue
@@ -88,7 +88,7 @@
         fit="cover"
         style="width: 28px; height: 28px; display: block"
       />
-      <el-avatar v-else>
+      <el-avatar v-else :size="28">
         <img src="@/assets/user-icon.svg" style="width: 50%" alt="" />
       </el-avatar>
     </div>
diff --git a/ui/src/views/application-overview/xpack-component/XPackDisplaySettingDialog.vue b/ui/src/views/application-overview/xpack-component/XPackDisplaySettingDialog.vue
index c2da21e2d..1f574b407 100644
--- a/ui/src/views/application-overview/xpack-component/XPackDisplaySettingDialog.vue
+++ b/ui/src/views/application-overview/xpack-component/XPackDisplaySettingDialog.vue
@@ -131,8 +131,8 @@
                     fit="cover"
                     style="width: 28px; height: 28px; display: block"
                   />
-                  <el-avatar v-else>
-                    <img src="@/assets/user-icon.svg" style="width: 54%" alt="" />
+                  <el-avatar v-else :size="28">
+                    <img src="@/assets/user-icon.svg" style="width: 50%" alt="" />
                   </el-avatar>
                 </div>
               </div>