diff --git a/mars-core/src/main/java/com/mars/core/annotation/DataSource.java b/mars-jdbc/src/main/java/com/mars/jdbc/annotation/DataSource.java
similarity index 86%
rename from mars-core/src/main/java/com/mars/core/annotation/DataSource.java
rename to mars-jdbc/src/main/java/com/mars/jdbc/annotation/DataSource.java
index df000d3..db56da1 100644
--- a/mars-core/src/main/java/com/mars/core/annotation/DataSource.java
+++ b/mars-jdbc/src/main/java/com/mars/jdbc/annotation/DataSource.java
@@ -1,4 +1,4 @@
-package com.mars.core.annotation;
+package com.mars.jdbc.annotation;
 
 import java.lang.annotation.Documented;
 import java.lang.annotation.ElementType;
diff --git a/mars-jdbc/src/main/java/com/mars/jdbc/proxy/MjProxy.java b/mars-jdbc/src/main/java/com/mars/jdbc/proxy/MjProxy.java
index 46443af..2d1162a 100644
--- a/mars-jdbc/src/main/java/com/mars/jdbc/proxy/MjProxy.java
+++ b/mars-jdbc/src/main/java/com/mars/jdbc/proxy/MjProxy.java
@@ -1,6 +1,6 @@
 package com.mars.jdbc.proxy;
 
-import com.mars.core.annotation.DataSource;
+import com.mars.jdbc.annotation.DataSource;
 import com.mars.jdbc.annotation.MarsGet;
 import com.mars.jdbc.annotation.MarsSelect;
 import com.mars.jdbc.annotation.MarsUpdate;