diff --git a/jcommon/antlr/src/main/java/run/mone/antlr/golang/GoParserBase.java b/jcommon/antlr/src/main/java/run/mone/antlr/golang/GoParserBase.java
index 91a588607..6aa5c5da0 100644
--- a/jcommon/antlr/src/main/java/run/mone/antlr/golang/GoParserBase.java
+++ b/jcommon/antlr/src/main/java/run/mone/antlr/golang/GoParserBase.java
@@ -1,7 +1,8 @@
 package run.mone.antlr.golang;
 
-import java.util.List;
-import org.antlr.v4.runtime.*;
+import org.antlr.v4.runtime.BufferedTokenStream;
+import org.antlr.v4.runtime.Parser;
+import org.antlr.v4.runtime.TokenStream;
 
 /**
  * @author goodjava@qq.com