diff --git a/src_core/com/tenwa/flow/flowHistory/FlowHitoryUtil.java b/src_core/com/tenwa/flow/flowHistory/FlowHitoryUtil.java
index 9119e8862..1c91a20f8 100644
--- a/src_core/com/tenwa/flow/flowHistory/FlowHitoryUtil.java
+++ b/src_core/com/tenwa/flow/flowHistory/FlowHitoryUtil.java
@@ -131,7 +131,7 @@ public class FlowHitoryUtil {
       }
       
      public String getJavaValue(String javaFunction,JSONObject curJosn) throws Exception{
-         if(javaFunction.equals("v.''")){return "";}
+         if(javaFunction.equals("v.''")||javaFunction.indexOf("(")==-1){return "";}
     	 String classPath=javaFunction.substring(0, javaFunction.lastIndexOf("."));
     	 String sFunciton=javaFunction.substring(javaFunction.lastIndexOf(".")+1,javaFunction.indexOf("("));
     	 String sParams=javaFunction.substring(javaFunction.indexOf("(")+1,javaFunction.indexOf(")"));