diff --git a/domain_resource/src/main/ets/startup/StartupOrchestrator.ets b/domain_resource/src/main/ets/startup/StartupOrchestrator.ets
index 23ad63f..5c334f5 100644
--- a/domain_resource/src/main/ets/startup/StartupOrchestrator.ets
+++ b/domain_resource/src/main/ets/startup/StartupOrchestrator.ets
@@ -58,8 +58,14 @@ export class StartupOrchestrator {
     }
   }
 
+  /** 冷启动耗时打点（T-M5-07 可观测，单位 ms）。 */
+  private mark(label: string, since: number): void {
+    StartupOrchestrator.log.i(`[startup] ${label} +${Date.now() - since}ms`);
+  }
+
   /** 执行启动流程。 */
   async run(): Promise<StartupResult> {
+    const t0: number = Date.now();
     this.stage(StartupStage.INIT, 0);
 
     // 1) 本地配置
@@ -80,37 +86,53 @@ export class StartupOrchestrator {
     if (local.weburl !== '') {
       const entryUrl: string = `http://${local.weburl.replace(/-/g, '/')}?Launchtype=0`;
       this.stage(StartupStage.ENTER_HALL, 100);
+      this.mark('total(weburl)', t0);
       return { enter: true, entryUrl, message: '' };
     }
 
-    // 3) 远程配置 + 4) 版本决策
-    let decision: VersionDecision | undefined = undefined;
-    try {
-      this.stage(StartupStage.FETCH_REMOTE_CONFIG, 20);
-      decision = await config.resolve();
-      this.stage(StartupStage.RESOLVE_VERSION, 35);
-      if (decision.showmessage !== '') {
-        StartupOrchestrator.log.w(`blocked by showmessage: ${decision.showmessage}`);
-        return { enter: false, entryUrl: '', message: decision.showmessage };
-      }
-    } catch (e) {
-      const err = e as Error;
-      StartupOrchestrator.log.w(`remote config failed, fallback to local: ${err.message}`);
-    }
+    // T-M5-07 并行化：远程配置（网络 IO，1-5s）与内置资源准备（本地拷贝解压，0.2-0.8s）
+    // 无数据依赖——prepareBuiltin 只依赖本地 config，不依赖远程 decision。两者同时进行，
+    // 总耗时由 max(远程, 内置) 决定而非求和。
+    this.stage(StartupStage.FETCH_REMOTE_CONFIG, 20);
+    const tRemote: number = Date.now();
+    const remotePromise: Promise<VersionDecision | undefined> =
+      (async (): Promise<VersionDecision | undefined> => {
+        try {
+          const d: VersionDecision = await config.resolve();
+          this.mark('fetch_remote_config', tRemote);
+          return d;
+        } catch (e) {
+          StartupOrchestrator.log.w(`remote config failed, fallback to local: ${(e as Error).message}`);
+          return undefined;
+        }
+      })();
 
-    // 5) 资源准备
-    this.stage(StartupStage.PREPARE_RESOURCE, 45);
+    // 内置资源准备（与上面远程请求并行推进）
+    this.stage(StartupStage.PREPARE_RESOURCE, 35);
+    const tBuiltin: number = Date.now();
     if (!resource.isPrepared()) {
       await resource.prepareBuiltin();
     }
+    this.mark('prepare_builtin', tBuiltin);
+
+    // 汇合：取远程版本决策
+    const decision: VersionDecision | undefined = await remotePromise;
+    this.stage(StartupStage.RESOLVE_VERSION, 55);
+    if (decision !== undefined && decision.showmessage !== '') {
+      StartupOrchestrator.log.w(`blocked by showmessage: ${decision.showmessage}`);
+      return { enter: false, entryUrl: '', message: decision.showmessage };
+    }
+
+    // 5) 版本更新（依赖内置资源已就绪 + 远程决策）
     const localVer: number = resource.localVersion();
     if (decision !== undefined && decision.gameVersion > localVer && decision.gameDownload !== '') {
       StartupOrchestrator.log.i(`update needed: local=${localVer} remote=${decision.gameVersion}`);
+      const tUpdate: number = Date.now();
       try {
-        await resource.updateGame(decision.gameDownload, (p: number) => this.stage(StartupStage.PREPARE_RESOURCE, 45 + Math.floor(p * 0.4)));
+        await resource.updateGame(decision.gameDownload, (p: number) => this.stage(StartupStage.PREPARE_RESOURCE, 55 + Math.floor(p * 0.3)));
+        this.mark('update_game', tUpdate);
       } catch (e) {
-        const err = e as Error;
-        StartupOrchestrator.log.w(`update failed, keep local: ${err.message}`);
+        StartupOrchestrator.log.w(`update failed, keep local: ${(e as Error).message}`);
       }
     }
     await resource.persistPaths();
@@ -121,12 +143,13 @@ export class StartupOrchestrator {
     }
 
     // 6) 注入 app_data.js（务必在进大厅之前）。大厅 launchtype='0'
-    this.stage(StartupStage.INJECT_APP_DATA, 90);
+    this.stage(StartupStage.INJECT_APP_DATA, 92);
     const values: AppDataValues = AppDataInjector.buildValues(local, `${resource.localVersion()}`, '0');
     AppDataInjector.inject(resource.paths().gameDir, values);
 
     // 7) 进大厅
     this.stage(StartupStage.ENTER_HALL, 100);
+    this.mark('total', t0);
     return { enter: true, entryUrl: `${resource.paths().indexUrl}?Launchtype=0`, message: '' };
   }
 }