diff --git a/src/main/java/net/lamgc/oracle/sentry/script/groovy/GroovyTriggerProvider.java b/src/main/java/net/lamgc/oracle/sentry/script/groovy/GroovyTriggerProvider.java
index 1d8c8c1..d5408f8 100644
--- a/src/main/java/net/lamgc/oracle/sentry/script/groovy/GroovyTriggerProvider.java
+++ b/src/main/java/net/lamgc/oracle/sentry/script/groovy/GroovyTriggerProvider.java
@@ -16,13 +16,14 @@ import java.util.concurrent.ConcurrentHashMap;
  */
 public class GroovyTriggerProvider {
 
-    private final Map<String, ServiceLoader.Provider<GroovyTrigger>> triggerProviderMap = new ConcurrentHashMap<>();
-
     /**
      * Trigger Provider 唯一实例.
      */
     public final static GroovyTriggerProvider INSTANCE = new GroovyTriggerProvider();
 
+
+    private final Map<String, ServiceLoader.Provider<GroovyTrigger>> triggerProviderMap = new ConcurrentHashMap<>();
+
     private GroovyTriggerProvider() {
         ServiceLoader<GroovyTrigger> loader = ServiceLoader.load(GroovyTrigger.class);
         loader.stream().iterator().forEachRemaining(triggerProvider -> {