diff --git a/pkg/tools/cron.go b/pkg/tools/cron.go
index 78fbc3f88..60d9d5e5a 100644
--- a/pkg/tools/cron.go
+++ b/pkg/tools/cron.go
@@ -393,7 +393,10 @@ func (t *CronTool) ExecuteJob(ctx context.Context, job *cron.CronJob) string {
 	prompt := job.Payload.Message
 	if isDirective {
 		// For directive type, prefix to clarify this is an instruction
-		prompt = fmt.Sprintf("Please execute the following directive and provide the result:\n\n%s", job.Payload.Message)
+		prompt = fmt.Sprintf(
+			"Please execute the following directive and provide the result:\n\n%s",
+			job.Payload.Message,
+		)
 	}
 
 	// Call agent with the prepared prompt
diff --git a/pkg/tools/cron_test.go b/pkg/tools/cron_test.go
index 2185fcde6..186c6a75e 100644
--- a/pkg/tools/cron_test.go
+++ b/pkg/tools/cron_test.go
@@ -329,7 +329,7 @@ func TestCronTool_ExecuteJobSkipsEmptyAgentResponse(t *testing.T) {
 }
 
 func TestCronTool_ExecuteJobSkipsWhenMessageToolAlreadySent(t *testing.T) {
-	executor := &stubJobExecutor{response: "已发送。", alreadySent: true}
+	executor := &stubJobExecutor{response: "Sent.", alreadySent: true}
 	tool := newTestCronToolWithExecutorAndConfig(t, executor, config.DefaultConfig())
 
 	job := &cron.CronJob{ID: "job-msg-sent"}