fix: cargo check --lib error

apps/desktop/src/services/comfyuiV2Service.ts

@@ -173,7 +173,8 @@ export class ComfyUIV2Service {
    */
   static async connect(config: ComfyUIV2Config): Promise<string> {
     try {
-      return await invoke<string>('comfyui_v2_connect', { config });
+      const result = await invoke<{connected: boolean, status: string, base_url: string}>('comfyui_v2_connect', { config });
+      return result.connected ? '连接成功' : '连接失败';
     } catch (error) {
       console.error('Failed to connect to ComfyUI:', error);
       throw new Error(`连接 ComfyUI 失败: ${error}`);
@@ -260,7 +261,29 @@ export class ComfyUIV2Service {
    */
   static async updateConfig(config: Partial<ComfyUIV2Config>): Promise<string> {
     try {
-      return await invoke<string>('comfyui_v2_update_config', { config });
+      // 获取当前配置，然后合并新配置
+      let currentConfig: ComfyUIV2Config;
+      try {
+        currentConfig = await this.getConfig();
+      } catch {
+        // 如果获取失败，使用默认配置
+        currentConfig = {
+          base_url: 'http://192.168.0.193:8188',
+          timeout: 30000,
+          retry_attempts: 3,
+          enable_cache: true,
+          max_concurrency: 4,
+          websocket_url: 'ws://192.168.0.193:8188/ws',
+        };
+      }
+
+      // 合并配置
+      const fullConfig: ComfyUIV2Config = {
+        ...currentConfig,
+        ...config,
+      };
+
+      return await invoke<string>('comfyui_v2_update_config', { config: fullConfig });
     } catch (error) {
       console.error('Failed to update config:', error);
       throw new Error(`更新配置失败: ${error}`);