diff --git a/src/renderer/context/theme.ts b/src/renderer/context/theme.ts
index 5fbc04f4..d094eece 100644
--- a/src/renderer/context/theme.ts
+++ b/src/renderer/context/theme.ts
@@ -23,7 +23,7 @@ export function getColorScheme () {
   return theme
 }
 
-export function setTheme(name: 'system' | 'dark' | 'light') {
+export function setTheme (name: 'system' | 'dark' | 'light') {
   document.documentElement.setAttribute('app-theme', name)
   bus.emit('theme.change', name)
   storage.set('app.theme', name)
@@ -39,4 +39,4 @@ window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', ()
   if (getThemeName() === 'system') {
     setTheme('system')
   }
-});
+})
diff --git a/src/renderer/plugins/markdown-echarts.ts b/src/renderer/plugins/markdown-echarts.ts
index 669aa327..acd6df74 100644
--- a/src/renderer/plugins/markdown-echarts.ts
+++ b/src/renderer/plugins/markdown-echarts.ts
@@ -28,7 +28,7 @@ const EChartsPlugin = (md: Markdown) => {
 
 let charts: {[key: string]: any} = {}
 
-const update = (theme: string | null = null, animation: boolean | undefined = undefined, renderImg = false) => {
+const update = (theme: string | undefined = undefined, animation: boolean | undefined = undefined, renderImg = false) => {
   theme ??= getColorScheme()
 
   Object.values(charts).forEach(x => x.chart.dispose())
diff --git a/src/renderer/support/demo.ts b/src/renderer/support/demo.ts
index 18f8c0dc..0477aadf 100644
--- a/src/renderer/support/demo.ts
+++ b/src/renderer/support/demo.ts
@@ -46,10 +46,14 @@ if (FLAG_DEMO) {
       const method = (init && init.method) || 'GET'
 
       if (uri.startsWith('/api/settings')) {
-        return Promise.resolve({ status: 'ok', message: '获取成功', data: {
-          repositories: { test: '/path_test' },
-          shell: 'bash'
-        } })
+        return Promise.resolve({
+          status: 'ok',
+          message: '获取成功',
+          data: {
+            repositories: { test: '/path_test' },
+            shell: 'bash'
+          }
+        })
       }
 
       if (uri.startsWith('/api/mark')) {