diff --git a/packages/gui/src/bridge/file-selector/backend.js b/packages/gui/src/bridge/file-selector/backend.js
index 6cdec45..2e7c27f 100644
--- a/packages/gui/src/bridge/file-selector/backend.js
+++ b/packages/gui/src/bridge/file-selector/backend.js
@@ -3,10 +3,12 @@ export default {
     const { ipcMain, dialog, log } = context
     ipcMain.on('file-selector', (event, message) => {
       if (message.key === 'open') {
-        dialog.showOpenDialog({
-          properties: ['openFile'],
-          ...message,
-        }).then((result) => {
+        const options = message.options || {}
+        if (options.properties == null || options.properties.length === 0) {
+          options.properties = ['openFile']
+        }
+
+        dialog.showOpenDialog(options).then((result) => {
           if (result.canceled) {
             event.sender.send('file-selector', { key: 'canceled' })
           } else {
@@ -14,6 +16,7 @@ export default {
           }
         }).catch((err) => {
           log.error('选择文件失败:', err)
+          event.sender.send('file-selector', { key: 'error', error: err })
         })
       }
     })
diff --git a/packages/gui/src/bridge/file-selector/front.js b/packages/gui/src/bridge/file-selector/front.js
index 69b0d31..5ceff2c 100644
--- a/packages/gui/src/bridge/file-selector/front.js
+++ b/packages/gui/src/bridge/file-selector/front.js
@@ -1,14 +1,55 @@
 function install (app, api) {
   api.fileSelector = {
-    open (value, options) {
+
+    /**
+     * 打开文件选择框
+     *
+     * 支持传参方式：
+     * 1. open(String defaultPath)
+     * 2. open(String defaultPath, String properties)
+     * 3. open(null, String properties)
+     * 4. open(String defaultPath, Object options)
+     * 5. open(Object options)
+     *
+     * @param value
+     * @param {Electron.OpenDialogOptions} options
+     * @returns {Promise<unknown>} promise
+     */
+    open (value = null, options = null) {
+      if (options == null && value && typeof value !== 'string') {
+        options = { ...value }
+        value = null
+      } else {
+        if (typeof options === 'string') {
+          if (options === 'dir') {
+            options = 'openDirectory'
+          } else if (options === 'file') {
+            options = 'openFile'
+          }
+
+          options = { properties: [options] } // options 为字符串时，视为 properties 属性的值
+        } else {
+          options = options || {}
+        }
+      }
+
+      // 如果没有 defaultPath，则使用 value 作为 defaultPath
+      if (!options.defaultPath && value && typeof value === 'string') {
+        options.defaultPath = value
+      }
+
       return new Promise((resolve, reject) => {
-        api.ipc.send('file-selector', { key: 'open', value, ...options })
+        api.ipc.send('file-selector', { key: 'open', options })
         api.ipc.on('file-selector', (event, message) => {
           console.log('selector', message)
           if (message.key === 'selected') {
             resolve(message.value)
+          } else if (message.key === 'canceled') {
+            resolve('') // 没有选择文件
+          } else if (message.key === 'error') {
+            reject(message.error)
           } else {
-            reject(new Error('没有选择文件'))
+            reject(new Error('未知的响应'))
           }
           api.ipc.on('file-selector', () => {})
         })
diff --git a/packages/gui/src/view/pages/server.vue b/packages/gui/src/view/pages/server.vue
index d8d5d7b..bcfb04d 100644
--- a/packages/gui/src/view/pages/server.vue
+++ b/packages/gui/src/view/pages/server.vue
@@ -39,13 +39,13 @@ export default {
   },
   methods: {
     async onCrtSelect () {
-      const value = await this.$api.fileSelector.open()
+      const value = await this.$api.fileSelector.open(this.config.server.setting.rootCaFile.certPath, 'file')
       if (value != null && value.length > 0) {
         this.config.server.setting.rootCaFile.certPath = value[0]
       }
     },
     async onKeySelect () {
-      const value = await this.$api.fileSelector.open()
+      const value = await this.$api.fileSelector.open(this.config.server.setting.rootCaFile.keyPath, 'file')
       if (value != null && value.length > 0) {
         this.config.server.setting.rootCaFile.keyPath = value[0]
       }
diff --git a/packages/gui/src/view/pages/setting.vue b/packages/gui/src/view/pages/setting.vue
index 684f072..8a88c17 100644
--- a/packages/gui/src/view/pages/setting.vue
+++ b/packages/gui/src/view/pages/setting.vue
@@ -321,6 +321,12 @@ export default {
       }
       this.$refs.maxLogFileSize.focus()
     },
+    async onLogFileSavePathSelect () {
+      const value = await this.$api.fileSelector.open(this.config.app.logFileSavePath, 'dir')
+      if (value != null && value.length > 0) {
+        this.config.app.logFileSavePath = value[0]
+      }
+    },
   },
 }
 </script>
@@ -470,7 +476,11 @@ export default {
       </a-form-item>
       <hr>
       <a-form-item label="日志文件保存目录" :label-col="labelCol" :wrapper-col="wrapperCol">
-        <a-input v-model="config.app.logFileSavePath" />
+        <a-input-search
+          v-model="config.app.logFileSavePath" enter-button="选择"
+          :title="config.app.logFileSavePath"
+          @search="onLogFileSavePathSelect"
+        />
         <div class="form-help">
           修改后，重启DS才生效！<br>
           注意：原目录中的文件不会自动转移到新的目录，请自行转移或删除。