diff --git a/src/main/browser/external.ts b/src/main/browser/external.ts
index cf892f9..900adb1 100644
--- a/src/main/browser/external.ts
+++ b/src/main/browser/external.ts
@@ -24,6 +24,8 @@ export interface ExternalLaunchOptions {
   extraArgs?: string[];
   /** 独立用户数据目录；缺省使用系统临时目录下的独立 profile */
   userDataDir?: string;
+  /** 首次启动时直接打开的 URL，避免先出现 about:blank */
+  initialUrl?: string;
 }
 
 export interface ExternalRemoteOptions {
@@ -225,12 +227,13 @@ export async function launchExternalBrowser(options: ExternalLaunchOptions): Pro
   await fs.mkdir(userDataDir, { recursive: true });
 
   const extraArgs = (options.extraArgs ?? []).filter(Boolean);
+  const startUrl = options.initialUrl?.trim() || "about:blank";
   const args = [
     `--remote-debugging-port=${port}`,
     `--user-data-dir=${userDataDir}`,
     "--no-first-run",
     "--no-default-browser-check",
-    "about:blank",
+    startUrl,
     ...extraArgs
   ];
 
diff --git a/src/main/index.ts b/src/main/index.ts
index fd65f2d..6c3e9d9 100644
--- a/src/main/index.ts
+++ b/src/main/index.ts
@@ -119,7 +119,9 @@ function registerIpc(): void {
     const browserOptions = options.browser;
     let session;
     if (browserOptions) {
-      session = await externalBrowserSession(browserOptions);
+      session = await externalBrowserSession(
+        browserOptions.mode === "launch" && url ? { ...browserOptions, initialUrl: url } : browserOptions
+      );
     } else {
       session = latestExternalSession();
     }
@@ -130,7 +132,7 @@ function registerIpc(): void {
       session = await BrowserSession.create();
     }
     const currentUrl = await session.currentUrl();
-    if (url && (currentUrl === "about:blank" || currentUrl !== url)) {
+    if (url && currentUrl !== url) {
       await session.navigate(url);
     }
     return session.pickElement();