diff --git a/libraries/map-amap/src/main/java/com/mogo/map/impl/amap/hook/BnHooker.java b/libraries/map-amap/src/main/java/com/mogo/map/impl/amap/hook/BnHooker.java
index 51177489d3..82e014560a 100644
--- a/libraries/map-amap/src/main/java/com/mogo/map/impl/amap/hook/BnHooker.java
+++ b/libraries/map-amap/src/main/java/com/mogo/map/impl/amap/hook/BnHooker.java
@@ -23,6 +23,8 @@ public class BnHooker implements InvocationHandler {
     private static final String TAG = "BnHooker";
 
     private Object host;
+    private Method getGLMapEngineMethod;
+    private GLMapEngine glMapEngineObject;
 
     public BnHooker( AMap map ) throws Exception {
 
@@ -47,11 +49,17 @@ public class BnHooker implements InvocationHandler {
     }
 
     public void clearAllMessages() throws Exception {
-        Method method = host.getClass().getDeclaredMethod( "getGLMapEngine" );
-        method.setAccessible( true );
-        GLMapEngine glMapEngine = ( GLMapEngine ) method.invoke( host );
-        clearMessageList( "mStateMessageList", glMapEngine );
-        clearMessageList( "mAnimateStateMessageList", glMapEngine );
+        if ( glMapEngineObject == null ) {
+            if ( getGLMapEngineMethod == null ) {
+                getGLMapEngineMethod = host.getClass().getDeclaredMethod( "getGLMapEngine" );
+                getGLMapEngineMethod.setAccessible( true );
+            }
+            glMapEngineObject = ( GLMapEngine ) getGLMapEngineMethod.invoke( host );
+        }
+        if ( glMapEngineObject != null ) {
+            clearMessageList( "mStateMessageList", glMapEngineObject );
+            clearMessageList( "mAnimateStateMessageList", glMapEngineObject );
+        }
     }
 
     private void clearMessageList( String filedName, Object obj ) throws Exception {