diff --git a/src/Executor.ts b/src/Executor.ts
index 98517f1..917b9d6 100644
--- a/src/Executor.ts
+++ b/src/Executor.ts
@@ -25,12 +25,22 @@ export class Executor {
     async run() {
         await waitForLoad();
         await sleepMicro();
-        markPage('Executor', this.version);
 
-        this.renderTaskQueue();
-        setInterval(() => this.renderTaskQueue(), 5 * 1000);
+        try {
+            markPage('Executor', this.version);
+            this.renderTaskQueue();
+        } catch (e) {
+            this.logger.warn(e);
+        }
+
+        let skipFirstSleep = true;
 
         while (true) {
+            if (skipFirstSleep) {
+                skipFirstSleep = false;
+            } else {
+                await sleepMicro();
+            }
             await this.doTaskProcessingStep();
         }
     }
@@ -40,8 +50,6 @@ export class Executor {
     }
 
     private async doTaskProcessingStep() {
-        await sleepMicro();
-
         const currentTs = timestamp();
         const task = this.scheduler.nextTask(currentTs);
 
diff --git a/src/utils.ts b/src/utils.ts
index 036a9db..61a0b35 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -5,7 +5,7 @@ export function sleep(ms: number) {
 }
 
 export async function sleepMicro() {
-    let ms = 1000 + Math.random() * 2000;
+    let ms = 2000 + Math.random() * 500;
     return await sleep(ms);
 }