diff --git a/src/main/java/org/redkale/source/DataSqlMapper.java b/src/main/java/org/redkale/source/DataSqlMapper.java
index 03b52f634..6e928dd31 100644
--- a/src/main/java/org/redkale/source/DataSqlMapper.java
+++ b/src/main/java/org/redkale/source/DataSqlMapper.java
@@ -25,7 +25,7 @@ import org.redkale.util.Sheet;
  * <p>
  * 详情见: https://redkale.org
  *
- * @see org.redkale.persistence.Sql
+ * @see org.redkale.source.spi.DataSqlMapperBuilder
  *
  * @author zhangjx
  * @param <T> T
diff --git a/src/main/java/org/redkale/source/spi/DataSqlMapperBuilder.java b/src/main/java/org/redkale/source/spi/DataSqlMapperBuilder.java
index e4e7412a7..1fd6ac606 100644
--- a/src/main/java/org/redkale/source/spi/DataSqlMapperBuilder.java
+++ b/src/main/java/org/redkale/source/spi/DataSqlMapperBuilder.java
@@ -12,7 +12,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.concurrent.CompletableFuture;
 import java.util.function.IntFunction;
-import org.redkale.asm.AnnotationVisitor;
 import org.redkale.asm.AsmMethodBean;
 import org.redkale.asm.AsmMethodBoost;
 import org.redkale.asm.AsmMethodParam;
@@ -159,7 +158,6 @@ public final class DataSqlMapperBuilder {
         ClassWriter cw = new ClassWriter(COMPUTE_FRAMES);
         FieldVisitor fv;
         MethodVisitor mv;
-        AnnotationVisitor av0;
 
         cw.visit(V11, ACC_PUBLIC + ACC_SUPER, newDynName, null, "java/lang/Object", new String[]{supDynName});
         {