diff --git a/CHANGES.md b/CHANGES.md
index 0eea6980..8587521a 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,8 @@
+### 3.2.21
+
+* Improvements and bug fix.
+
+
 ### 3.2.20
 
 * Improvements and bug fix.
diff --git a/README.md b/README.md
index 0d3f18d4..f6175864 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # abacus-jdbc
 
 [![Maven Central](https://img.shields.io/maven-central/v/com.landawn/abacus-jdbc.svg)](https://maven-badges.herokuapp.com/maven-central/com.landawn/abacus-jdbc/)
-[![Javadocs](https://img.shields.io/badge/javadoc-3.2.20-brightgreen.svg)](https://www.javadoc.io/doc/com.landawn/abacus-jdbc/3.2.20/index.html)
+[![Javadocs](https://img.shields.io/badge/javadoc-3.2.21-brightgreen.svg)](https://www.javadoc.io/doc/com.landawn/abacus-jdbc/3.2.21/index.html)
 
 Hope it will bring you the programming experiences: coding with SQL/DB is just like coding with Collections.
 
@@ -192,7 +192,7 @@ userDao.deleteById(100L);
 * Gradle:
 ```gradle
 // JDK 1.8 or above:
-compile 'com.landawn:abacus-jdbc:3.2.20'
+compile 'com.landawn:abacus-jdbc:3.2.21'
 ```
 
 ## User Guide:
diff --git a/maven/0.0.1-SNAPSHOT/abacus-jdbc-0.0.1-SNAPSHOT.pom b/maven/0.0.1-SNAPSHOT/abacus-jdbc-0.0.1-SNAPSHOT.pom
index 657e65e4..4e979421 100644
--- a/maven/0.0.1-SNAPSHOT/abacus-jdbc-0.0.1-SNAPSHOT.pom
+++ b/maven/0.0.1-SNAPSHOT/abacus-jdbc-0.0.1-SNAPSHOT.pom
@@ -77,7 +77,7 @@
 		<dependency>
 			<groupId>com.landawn</groupId>
 			<artifactId>abacus-common</artifactId>
-			<version>3.6.7</version>
+			<version>3.6.8</version>
 		</dependency>
 
 		<dependency>
diff --git a/pom.xml b/pom.xml
index 6b58cfc1..8dda30ff 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
 	<groupId>com.landawn</groupId>
 	<artifactId>abacus-jdbc</artifactId>
-	<version>3.2.21</version>
+	<version>3.2.22</version>
 	<packaging>jar</packaging>
 
 	<name>abacus-jdbc</name>
@@ -29,7 +29,7 @@
 		<dependency>
 			<groupId>com.landawn</groupId>
 			<artifactId>abacus-common</artifactId>
-			<version>3.6.7</version>
+			<version>3.6.8</version>
 			<scope>provided</scope>
 		</dependency>
 
diff --git a/src/main/java/com/landawn/abacus/jdbc/JdbcUtils.java b/src/main/java/com/landawn/abacus/jdbc/JdbcUtils.java
index d17207dd..d978ade1 100644
--- a/src/main/java/com/landawn/abacus/jdbc/JdbcUtils.java
+++ b/src/main/java/com/landawn/abacus/jdbc/JdbcUtils.java
@@ -68,6 +68,7 @@
 /**
  *
  * @author Haiyang Li
+ * @see {@link com.landawn.abacus.util.CSVUtil}
  * @see {@link com.landawn.abacus.condition.ConditionFactory}
  * @see {@link com.landawn.abacus.condition.ConditionFactory.CF}
  * @see {@link com.landawn.abacus.annotation.ReadOnly}