diff --git a/config/platform-infra/webterm.yaml b/config/platform-infra/webterm.yaml
index 426ee14e..bd89db05 100644
--- a/config/platform-infra/webterm.yaml
+++ b/config/platform-infra/webterm.yaml
@@ -19,7 +19,7 @@ sessionStartModes:
       command: oncx
 
 autoResumePrompt:
-  enabled: true
+  enabled: false
   prompt: "[自动提醒]如果有未完成任务则继续，没有则直接结束"
   sendEnter: true
   enterDelayMs: 500
@@ -84,7 +84,7 @@ targets:
         TERMINAL_SNAPSHOT_BYTES: "524288"
         BROWSER_KEEPALIVE_INTERVAL_MS: "30000"
         BROWSER_STALE_TIMEOUT_MS: "180000"
-        BROWSER_SESSION_OUTPUT_IDLE_MS: "60000"
+        BROWSER_SESSION_OUTPUT_IDLE_MS: "3000"
     publicExposure:
       enabled: true
       publicBaseUrl: https://term.pikapython.com
diff --git a/scripts/src/platform-infra-webterm.ts b/scripts/src/platform-infra-webterm.ts
index f2374746..4bf92fc4 100644
--- a/scripts/src/platform-infra-webterm.ts
+++ b/scripts/src/platform-infra-webterm.ts
@@ -334,7 +334,10 @@ function resolveTarget(targetId: string | null): WebtermTarget {
 function renderCompose(target: WebtermTarget): string {
   const environment = {
     ...target.runtime.environment,
-    AUTO_START_SESSIONS_JSON: JSON.stringify(target.runtime.autoStartSessions),
+    AUTO_START_SESSIONS_JSON: JSON.stringify(target.runtime.autoStartSessions.map((session) => ({
+      ...session,
+      command: resumeCommandWithPrompt(session, target.runtime.autoResumePrompt),
+    }))),
     SESSION_START_MODES_JSON: JSON.stringify(target.runtime.sessionStartModes.options),
     SESSION_START_DEFAULT_MODE: target.runtime.sessionStartModes.defaultMode,
     AUTO_RESUME_PROMPT_JSON: JSON.stringify(target.runtime.autoResumePrompt),
@@ -365,6 +368,21 @@ ${envLines}
 `;
 }
 
+function resumeCommandWithPrompt(
+  session: WebtermTarget["runtime"]["autoStartSessions"][number],
+  prompt: AutoResumePrompt,
+): string {
+  if (!session.resumePrompt) return session.command;
+  if (!/^\s*(?:mycx|oncx)\s+resume\s+\S+\s*$/.test(session.command)) {
+    throw new Error(`resumePrompt requires a mycx/oncx resume command: ${session.title}`);
+  }
+  return `${session.command.trim()} ${quoteShellArg(prompt.prompt)}`;
+}
+
+function quoteShellArg(value: string): string {
+  return `'${value.replace(/'/g, `'"'"'`)}'`;
+}
+
 function policyChecks(target: WebtermTarget, compose: string): Array<Record<string, unknown> & { ok: boolean }> {
   return [
     { name: "enabled", ok: target.enabled, detail: "target must be enabled" },