错误处理加一下

Author: cyfung1031

src/app/service/service_worker/script.ts

@@ -222,6 +222,7 @@ export class ScriptService {
   public async openInstallPageByUrl(url: string, source: InstallSource): Promise<{ success: boolean; msg: string }> {
     try {
       const installPageUrl = await this.getInstallPageUrl(url, source);
+      if (!installPageUrl) throw new Error("getInstallPageUrl failed");
       await openInCurrentTab(installPageUrl);
       return { success: true, msg: "" };
     } catch (err: any) {