diff --git a/qiming/src/pages/OpenApp/BaseTemplate/openAppTheme.ts b/qiming/src/constants/openAppTheme.constants.ts
similarity index 70%
rename from qiming/src/pages/OpenApp/BaseTemplate/openAppTheme.ts
rename to qiming/src/constants/openAppTheme.constants.ts
index d68d917c..40859c60 100644
--- a/qiming/src/pages/OpenApp/BaseTemplate/openAppTheme.ts
+++ b/qiming/src/constants/openAppTheme.constants.ts
@@ -1,4 +1,5 @@
 export const OPEN_APP_THEME_STORAGE_KEY = 'qiming-open-app-theme';
+export const OPEN_APP_THEME_CHANGED_EVENT = 'qiming-open-app-theme-changed';
 
 export const openAppThemes = [
   {
@@ -36,3 +37,16 @@ export const getInitialOpenAppTheme = (): OpenAppTheme => {
     ? storedTheme
     : DEFAULT_OPEN_APP_THEME;
 };
+
+export const setOpenAppThemePreference = (theme: OpenAppTheme) => {
+  if (typeof window === 'undefined') {
+    return;
+  }
+
+  window.localStorage.setItem(OPEN_APP_THEME_STORAGE_KEY, theme);
+  window.dispatchEvent(
+    new CustomEvent<OpenAppTheme>(OPEN_APP_THEME_CHANGED_EVENT, {
+      detail: theme,
+    }),
+  );
+};
diff --git a/qiming/src/layouts/Setting/ThemeSwitchPanel.less b/qiming/src/layouts/Setting/ThemeSwitchPanel.less
index dd5e98ee..41ad70a1 100644
--- a/qiming/src/layouts/Setting/ThemeSwitchPanel.less
+++ b/qiming/src/layouts/Setting/ThemeSwitchPanel.less
@@ -34,3 +34,133 @@
     }
   }
 }
+
+.panelTitle {
+  margin: @padding 0;
+  font-size: @fontSize;
+  font-weight: @fontWeightStrong;
+  color: @colorText;
+}
+
+.openAppThemePanel {
+  h4 {
+    margin: 0 0 @marginSm 0;
+    font-size: @fontSizeSm;
+    color: @colorTextSecondary;
+    font-weight: normal;
+  }
+}
+
+.openAppThemeOptions {
+  display: grid;
+  grid-template-columns: repeat(3, minmax(120px, 172px));
+  gap: @paddingSm;
+}
+
+.openAppThemeOption {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: @marginXxs;
+  min-width: 0;
+  padding: @paddingXs;
+  border: 2px solid transparent;
+  border-radius: @borderRadiusLg;
+  background: transparent;
+  color: @colorTextSecondary;
+  cursor: pointer;
+  transition: border-color 0.3s @motionEaseOut, color 0.3s @motionEaseOut;
+
+  &:hover,
+  &.active {
+    border-color: @colorPrimary;
+    color: @colorText;
+  }
+}
+
+.openAppThemePreview {
+  display: flex;
+  width: 116px;
+  height: 64px;
+  overflow: hidden;
+  border: 1px solid rgba(0, 101, 105, 18%);
+  border-radius: @borderRadiusSm;
+  background: #fff;
+}
+
+.previewRail {
+  width: 28px;
+  background: #006569;
+}
+
+.previewBody {
+  flex: 1;
+  padding: @paddingXs;
+  background: #fbfffd;
+
+  span {
+    display: block;
+    width: 46px;
+    height: 7px;
+    margin-bottom: 6px;
+    border-radius: 999px;
+    background: rgba(0, 101, 105, 22%);
+
+    &:first-child {
+      width: 60px;
+      background: rgba(0, 101, 105, 42%);
+    }
+  }
+}
+
+.dispatch {
+  .openAppThemePreview {
+    border-color: rgba(126, 232, 196, 36%);
+    background: #003f42;
+  }
+
+  .previewRail {
+    background: #002d30;
+  }
+
+  .previewBody {
+    background: linear-gradient(180deg, rgba(0, 166, 122, 22%), #003f42);
+
+    span {
+      background: rgba(242, 255, 252, 28%);
+
+      &:first-child {
+        background: #00a67a;
+      }
+    }
+  }
+}
+
+.light {
+}
+
+.portal {
+  .openAppThemePreview {
+    border-top: 4px solid #006569;
+    background: #f4fbf8;
+  }
+
+  .previewRail {
+    background: #ffffff;
+    border-right: 1px solid rgba(0, 101, 105, 18%);
+  }
+
+  .previewBody {
+    background: #f4fbf8;
+  }
+}
+
+.openAppThemeLabel {
+  max-width: 132px;
+  overflow: hidden;
+  font-size: @fontSizeSm;
+  line-height: @lineHeight;
+  text-align: center;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
diff --git a/qiming/src/layouts/Setting/ThemeSwitchPanel.tsx b/qiming/src/layouts/Setting/ThemeSwitchPanel.tsx
index dfbd7c20..05a37122 100644
--- a/qiming/src/layouts/Setting/ThemeSwitchPanel.tsx
+++ b/qiming/src/layouts/Setting/ThemeSwitchPanel.tsx
@@ -12,6 +12,12 @@
 import BackgroundImagePanel from '@/components/business-component/ThemeConfig/BackgroundImagePanel';
 import NavigationStylePanel from '@/components/business-component/ThemeConfig/NavigationStylePanel';
 import ThemeColorPanel from '@/components/business-component/ThemeConfig/ThemeColorPanel';
+import {
+  OpenAppTheme,
+  getInitialOpenAppTheme,
+  openAppThemes,
+  setOpenAppThemePreference,
+} from '@/constants/openAppTheme.constants';
 import { backgroundConfigs, STORAGE_KEYS } from '@/constants/theme.constants';
 import { useUnifiedTheme } from '@/hooks/useUnifiedTheme';
 import { dict } from '@/services/i18nRuntime';
@@ -21,7 +27,7 @@ import { ThemeLayoutColorStyle } from '@/types/enums/theme';
 import { TenantThemeConfig } from '@/types/tenant';
 import { message } from 'antd';
 import classNames from 'classnames';
-import React, { useCallback, useMemo } from 'react';
+import React, { useCallback, useMemo, useState } from 'react';
 import styles from './ThemeSwitchPanel.less';
 
 const cx = classNames.bind(styles);
@@ -56,6 +62,9 @@ const ThemeSwitchPanel: React.FC<ThemeSwitchPanelProps> = ({
     updateNavigationStyle,
     toggleNavigationTheme,
   } = useUnifiedTheme();
+  const [openAppTheme, setOpenAppTheme] = useState<OpenAppTheme>(
+    getInitialOpenAppTheme,
+  );
 
   // 转换背景配置为组件需要的格式
   const backgroundImages: BackgroundImage[] = useMemo(() => {
@@ -183,6 +192,12 @@ const ThemeSwitchPanel: React.FC<ThemeSwitchPanelProps> = ({
     }
   };
 
+  const handleOpenAppThemeChange = (theme: OpenAppTheme) => {
+    setOpenAppTheme(theme);
+    setOpenAppThemePreference(theme);
+    setHasUserSwitchThemeFlag();
+  };
+
   return (
     <div className={cx(styles.container)}>
       <div className={cx(styles.title)}>
@@ -209,6 +224,40 @@ const ThemeSwitchPanel: React.FC<ThemeSwitchPanelProps> = ({
             />
           </div>
 
+          <div className={cx(styles.configItem)}>
+            <div className={cx(styles.openAppThemePanel)}>
+              <h3 className={cx(styles.panelTitle)}>启明应用外观</h3>
+              <h4>国网绿风格</h4>
+              <div className={cx(styles.openAppThemeOptions)}>
+                {openAppThemes.map((theme) => (
+                  <button
+                    key={theme.key}
+                    type="button"
+                    className={cx(styles.openAppThemeOption, {
+                      [styles.active]: openAppTheme === theme.key,
+                      [styles[theme.key]]: true,
+                    })}
+                    title={theme.title}
+                    aria-pressed={openAppTheme === theme.key}
+                    onClick={() => handleOpenAppThemeChange(theme.key)}
+                  >
+                    <span className={cx(styles.openAppThemePreview)}>
+                      <span className={cx(styles.previewRail)} />
+                      <span className={cx(styles.previewBody)}>
+                        <span />
+                        <span />
+                        <span />
+                      </span>
+                    </span>
+                    <span className={cx(styles.openAppThemeLabel)}>
+                      {theme.title}
+                    </span>
+                  </button>
+                ))}
+              </div>
+            </div>
+          </div>
+
           <div className={cx(styles.configItem)}>
             <BackgroundImagePanel
               backgroundImages={backgroundImages}
diff --git a/qiming/src/pages/OpenApp/BaseTemplate/index.tsx b/qiming/src/pages/OpenApp/BaseTemplate/index.tsx
index 5886e449..604ee534 100644
--- a/qiming/src/pages/OpenApp/BaseTemplate/index.tsx
+++ b/qiming/src/pages/OpenApp/BaseTemplate/index.tsx
@@ -6,6 +6,13 @@ import ConditionRender from '@/components/ConditionRender';
 import TooltipIcon from '@/components/custom/TooltipIcon';
 import { EVENT_TYPE } from '@/constants/event.constants';
 import { ANIMATION_DURATION } from '@/constants/layout.constants';
+import {
+  OPEN_APP_THEME_CHANGED_EVENT,
+  OpenAppTheme,
+  getInitialOpenAppTheme,
+  openAppThemes,
+  setOpenAppThemePreference,
+} from '@/constants/openAppTheme.constants';
 import useSubscription from '@/hooks/useSubscription';
 import User from '@/layouts/DynamicMenusLayout/User';
 import Message from '@/layouts/Message';
@@ -37,12 +44,6 @@ import {
 } from 'umi';
 import ConversationItem from './ConversationItem';
 import styles from './index.less';
-import {
-  OPEN_APP_THEME_STORAGE_KEY,
-  OpenAppTheme,
-  getInitialOpenAppTheme,
-  openAppThemes,
-} from './openAppTheme';
 
 // 绑定 classNames，便于动态样式组合
 const cx = classNames.bind(styles);
@@ -174,8 +175,23 @@ const BaseTemplate: React.FC = () => {
   }, [agentId]);
 
   useEffect(() => {
-    localStorage.setItem(OPEN_APP_THEME_STORAGE_KEY, openAppTheme);
-  }, [openAppTheme]);
+    const handleOpenAppThemeChange = (event: Event) => {
+      const nextTheme = (event as CustomEvent<OpenAppTheme>).detail;
+      setOpenAppTheme(nextTheme);
+    };
+
+    window.addEventListener(
+      OPEN_APP_THEME_CHANGED_EVENT,
+      handleOpenAppThemeChange,
+    );
+
+    return () => {
+      window.removeEventListener(
+        OPEN_APP_THEME_CHANGED_EVENT,
+        handleOpenAppThemeChange,
+      );
+    };
+  }, []);
 
   // 已发布的智能体详情接口
   const { run: runDetail } = useRequest(apiPublishedAgentInfo, {
@@ -522,7 +538,10 @@ const BaseTemplate: React.FC = () => {
                   })}
                   title={theme.title}
                   aria-pressed={openAppTheme === theme.key}
-                  onClick={() => setOpenAppTheme(theme.key)}
+                  onClick={() => {
+                    setOpenAppTheme(theme.key);
+                    setOpenAppThemePreference(theme.key);
+                  }}
                 >
                   {theme.label}
                 </button>
diff --git a/qiming/tests/openAppTheme.test.ts b/qiming/tests/openAppTheme.test.ts
index 0fe0eeb1..77ad1028 100644
--- a/qiming/tests/openAppTheme.test.ts
+++ b/qiming/tests/openAppTheme.test.ts
@@ -3,7 +3,8 @@ import {
   getInitialOpenAppTheme,
   isOpenAppTheme,
   openAppThemes,
-} from '@/pages/OpenApp/BaseTemplate/openAppTheme';
+  setOpenAppThemePreference,
+} from '@/constants/openAppTheme.constants';
 
 describe('openAppTheme', () => {
   beforeEach(() => {
@@ -42,4 +43,11 @@ describe('openAppTheme', () => {
     localStorage.setItem(OPEN_APP_THEME_STORAGE_KEY, 'unknown');
     expect(getInitialOpenAppTheme()).toBe('dispatch');
   });
+
+  test('stores theme preference through the shared setter', () => {
+    setOpenAppThemePreference('light');
+
+    expect(localStorage.getItem(OPEN_APP_THEME_STORAGE_KEY)).toBe('light');
+    expect(getInitialOpenAppTheme()).toBe('light');
+  });
 });