diff --git a/src/agents/bash-tools.e2e.test.ts b/src/agents/bash-tools.e2e.test.ts
index da075e447..acb399ee7 100644
--- a/src/agents/bash-tools.e2e.test.ts
+++ b/src/agents/bash-tools.e2e.test.ts
@@ -12,9 +12,10 @@ const defaultShell = isWin
   ? undefined
   : process.env.OPENCLAW_TEST_SHELL || resolveShellFromPath("bash") || process.env.SHELL || "sh";
 // PowerShell: Start-Sleep for delays, ; for command separation, $null for null device
-const shortDelayCmd = isWin ? "Start-Sleep -Milliseconds 50" : "sleep 0.05";
-const yieldDelayCmd = isWin ? "Start-Sleep -Milliseconds 200" : "sleep 0.2";
-const longDelayCmd = isWin ? "Start-Sleep -Seconds 2" : "sleep 2";
+const shortDelayCmd = isWin ? "Start-Sleep -Milliseconds 30" : "sleep 0.03";
+const yieldDelayCmd = isWin ? "Start-Sleep -Milliseconds 120" : "sleep 0.12";
+const longDelayCmd = isWin ? "Start-Sleep -Seconds 1" : "sleep 1";
+const POLL_INTERVAL_MS = 15;
 // Both PowerShell and bash use ; for command separation
 const joinCommands = (commands: string[]) => commands.join("; ");
 const echoAfterDelay = (message: string) => joinCommands([shortDelayCmd, `echo ${message}`]);
@@ -40,7 +41,7 @@ async function waitForCompletion(sessionId: string) {
         status = (poll.details as { status: string }).status;
         return status;
       },
-      { timeout: process.platform === "win32" ? 8000 : 2000, interval: 20 },
+      { timeout: process.platform === "win32" ? 8000 : 1500, interval: POLL_INTERVAL_MS },
     )
     .not.toBe("running");
   return status;
@@ -99,7 +100,7 @@ describe("exec tool backgrounding", () => {
             output = textBlock?.text ?? "";
             return status;
           },
-          { timeout: process.platform === "win32" ? 8000 : 2000, interval: 20 },
+          { timeout: process.platform === "win32" ? 8000 : 1500, interval: POLL_INTERVAL_MS },
         )
         .toBe("completed");
 
@@ -137,13 +138,13 @@ describe("exec tool backgrounding", () => {
           ).sessions;
           return sessions.find((s) => s.sessionId === sessionId)?.name;
         },
-        { timeout: process.platform === "win32" ? 8000 : 2000, interval: 20 },
+        { timeout: process.platform === "win32" ? 8000 : 1500, interval: POLL_INTERVAL_MS },
       )
       .toBe("echo hello");
   });
 
   it("uses default timeout when timeout is omitted", async () => {
-    const customBash = createExecTool({ timeoutSec: 0.2, backgroundMs: 10 });
+    const customBash = createExecTool({ timeoutSec: 0.12, backgroundMs: 10 });
     const customProcess = createProcessTool();
 
     const result = await customBash.execute("call1", {
@@ -161,7 +162,7 @@ describe("exec tool backgrounding", () => {
           });
           return (poll.details as { status: string }).status;
         },
-        { timeout: 5000, interval: 20 },
+        { timeout: 5000, interval: POLL_INTERVAL_MS },
       )
       .toBe("failed");
   });
@@ -356,7 +357,7 @@ describe("exec notifyOnExit", () => {
           hasEvent = peekSystemEvents("agent:main:main").some((event) => event.includes(prefix));
           return Boolean(finished && hasEvent);
         },
-        { timeout: isWin ? 12_000 : 5_000, interval: 20 },
+        { timeout: isWin ? 12_000 : 5_000, interval: POLL_INTERVAL_MS },
       )
       .toBe(true);
     if (!finished) {