diff --git a/src/main/java/net/lamgc/oracle/sentry/script/groovy/trigger/OnceTrigger.java b/src/main/java/net/lamgc/oracle/sentry/script/groovy/trigger/OnceTrigger.java
index 0a2b1f7..1971265 100644
--- a/src/main/java/net/lamgc/oracle/sentry/script/groovy/trigger/OnceTrigger.java
+++ b/src/main/java/net/lamgc/oracle/sentry/script/groovy/trigger/OnceTrigger.java
@@ -1,6 +1,8 @@
 package net.lamgc.oracle.sentry.script.groovy.trigger;
 
 import com.google.common.util.concurrent.ThreadFactoryBuilder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
@@ -12,13 +14,16 @@ import java.util.concurrent.Executors;
 @TriggerName("once")
 public class OnceTrigger implements GroovyTrigger {
 
-    private final static ExecutorService executor = Executors.newFixedThreadPool(4,
+    private final static Logger log = LoggerFactory.getLogger(OnceTrigger.class);
+    private final static ExecutorService EXECUTOR = Executors.newFixedThreadPool(
+            Runtime.getRuntime().availableProcessors(),
             new ThreadFactoryBuilder()
                     .setNameFormat("GroovyOnceExec-%d")
+                    .setUncaughtExceptionHandler((t, e) -> log.error("脚本执行时发生未捕获异常.", e))
             .build());
 
     @Override
     public void run(Runnable task) {
-        executor.execute(task);
+        EXECUTOR.execute(task);
     }
 }
diff --git a/src/main/java/net/lamgc/oracle/sentry/script/groovy/trigger/TimerTrigger.java b/src/main/java/net/lamgc/oracle/sentry/script/groovy/trigger/TimerTrigger.java
index edffa07..41f5502 100644
--- a/src/main/java/net/lamgc/oracle/sentry/script/groovy/trigger/TimerTrigger.java
+++ b/src/main/java/net/lamgc/oracle/sentry/script/groovy/trigger/TimerTrigger.java
@@ -3,20 +3,24 @@ package net.lamgc.oracle.sentry.script.groovy.trigger;
 import com.google.common.base.Throwables;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.springframework.scheduling.TaskScheduler;
 import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
 import org.springframework.scheduling.support.CronTrigger;
 
 /**
  * @author LamGC
  */
+@SuppressWarnings("unused")
 @TriggerName("timer")
 public class TimerTrigger implements GroovyTrigger {
 
     private final static Logger log = LoggerFactory.getLogger(TimerTrigger.class);
 
     private CronTrigger trigger;
-    private final TaskScheduler scheduler = new ThreadPoolTaskScheduler();
+    private final static ThreadPoolTaskScheduler SCHEDULER = new ThreadPoolTaskScheduler();
+    static {
+        SCHEDULER.setPoolSize(Runtime.getRuntime().availableProcessors());
+        SCHEDULER.setErrorHandler(t -> log.error("脚本执行时发生异常.", t));
+    }
 
     /**
      * 设定定时时间.
@@ -49,7 +53,7 @@ public class TimerTrigger implements GroovyTrigger {
             return;
         }
 
-        scheduler.schedule(runnable, trigger);
+        SCHEDULER.schedule(runnable, trigger);
     }
 
 }