diff --git a/api/pom.xml b/api/pom.xml
index f696014..6f379e4 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>cc.carm.lib</groupId>
         <artifactId>easysql-parent</artifactId>
-        <version>0.4.6</version>
+        <version>0.4.7</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/api/src/main/java/cc/carm/lib/easysql/api/SQLQuery.java b/api/src/main/java/cc/carm/lib/easysql/api/SQLQuery.java
index 70a43be..c3cacf9 100644
--- a/api/src/main/java/cc/carm/lib/easysql/api/SQLQuery.java
+++ b/api/src/main/java/cc/carm/lib/easysql/api/SQLQuery.java
@@ -5,6 +5,7 @@ import cc.carm.lib.easysql.api.action.query.QueryAction;
 
 import java.sql.Connection;
 import java.sql.ResultSet;
+import java.sql.SQLException;
 import java.sql.Statement;
 import java.util.concurrent.TimeUnit;
 
@@ -50,6 +51,10 @@ public interface SQLQuery extends AutoCloseable {
 
     ResultSet getResultSet();
 
+    default boolean containsResult(String columnName) throws SQLException {
+        return getResultSet() != null && getResultSet().getObject(columnName) != null;
+    }
+
     /**
      * 得到设定的SQL语句
      *
diff --git a/demo/pom.xml b/demo/pom.xml
index 9d60ddd..a93434d 100644
--- a/demo/pom.xml
+++ b/demo/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>easysql-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>0.4.6</version>
+        <version>0.4.7</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/impl/pom.xml b/impl/pom.xml
index 652e4eb..9d8ab90 100644
--- a/impl/pom.xml
+++ b/impl/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>easysql-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>0.4.6</version>
+        <version>0.4.7</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/pom.xml b/pom.xml
index 35fad4f..58afa88 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
     <groupId>cc.carm.lib</groupId>
     <artifactId>easysql-parent</artifactId>
     <packaging>pom</packaging>
-    <version>0.4.6</version>
+    <version>0.4.7</version>
 
     <modules>
         <module>api</module>
diff --git a/with-pool/beecp/pom.xml b/with-pool/beecp/pom.xml
index bd3e51f..b98a487 100644
--- a/with-pool/beecp/pom.xml
+++ b/with-pool/beecp/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>easysql-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>0.4.6</version>
+        <version>0.4.7</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/with-pool/hikaricp/pom.xml b/with-pool/hikaricp/pom.xml
index a431337..91a4c0c 100644
--- a/with-pool/hikaricp/pom.xml
+++ b/with-pool/hikaricp/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>easysql-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>0.4.6</version>
+        <version>0.4.7</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>