diff --git a/config/platform-infra/webterm.yaml b/config/platform-infra/webterm.yaml
index b7c84924..7979dbf3 100644
--- a/config/platform-infra/webterm.yaml
+++ b/config/platform-infra/webterm.yaml
@@ -250,6 +250,7 @@ targets:
         publicUrl: "http://{hostname}:7783"
         downloadBytes: 16777216
         uploadBytes: 8388608
+        maxDurationMs: 10000
       autoStartSessions:
         - title: 决策中心
           cwd: /root/unidesk
diff --git a/scripts/src/platform-infra-webterm.ts b/scripts/src/platform-infra-webterm.ts
index 21fd29f8..9a59593e 100644
--- a/scripts/src/platform-infra-webterm.ts
+++ b/scripts/src/platform-infra-webterm.ts
@@ -79,7 +79,7 @@ interface WebtermTarget {
     privileged: boolean;
     pid: "host" | "container";
     sourceMounts: Array<{ source: string; target: string; readOnly: boolean }>;
-    networkSpeedTest: { enabled: boolean; containerName: string; hostPort: number; containerPort: number; publicUrl: string; downloadBytes: number; uploadBytes: number } | null;
+    networkSpeedTest: { enabled: boolean; containerName: string; hostPort: number; containerPort: number; publicUrl: string; downloadBytes: number; uploadBytes: number; maxDurationMs: number } | null;
     autoStartSessions: Array<{ title: string; cwd: string; command: string; cols: number; rows: number; resumePrompt: boolean; fallbackShell: boolean }>;
     sessionStartModes: SessionStartModes;
     autoResumePrompt: AutoResumePrompt;
@@ -361,6 +361,7 @@ function parseTarget(
     publicUrl: stringField(speedRaw, "publicUrl", `${path}.runtime.networkSpeedTest`),
     downloadBytes: integerField(speedRaw, "downloadBytes", `${path}.runtime.networkSpeedTest`),
     uploadBytes: integerField(speedRaw, "uploadBytes", `${path}.runtime.networkSpeedTest`),
+    maxDurationMs: integerField(speedRaw, "maxDurationMs", `${path}.runtime.networkSpeedTest`),
   };
   const target: WebtermTarget = {
     id: stringField(record, "id", path),
@@ -437,6 +438,7 @@ function renderCompose(target: WebtermTarget): string {
       NETWORK_SPEED_TEST_PUBLIC_URL: target.runtime.networkSpeedTest.publicUrl,
       NETWORK_SPEED_TEST_DOWNLOAD_BYTES: String(target.runtime.networkSpeedTest.downloadBytes),
       NETWORK_SPEED_TEST_UPLOAD_BYTES: String(target.runtime.networkSpeedTest.uploadBytes),
+      NETWORK_SPEED_TEST_MAX_DURATION_MS: String(target.runtime.networkSpeedTest.maxDurationMs),
     } : {}),
   };
   const envLines = Object.entries(environment)