diff --git a/cmake/install.inc b/cmake/install.inc
index 8418612d4c54d7f7643e190da0af81064197b5d1..55b3fa188ff2479b245213ef5dab15cfa2909f02 100755
--- a/cmake/install.inc
+++ b/cmake/install.inc
@@ -32,7 +32,7 @@ ELSEIF (TD_WINDOWS)
   #INSTALL(TARGETS taos RUNTIME DESTINATION driver)
   #INSTALL(TARGETS shell RUNTIME DESTINATION .)
   IF (TD_MVN_INSTALLED)
-    INSTALL(FILES ${LIBRARY_OUTPUT_PATH}/taos-jdbcdriver-2.0.14-dist.jar DESTINATION connector/jdbc)
+    INSTALL(FILES ${LIBRARY_OUTPUT_PATH}/taos-jdbcdriver-2.0.15-dist.jar DESTINATION connector/jdbc)
   ENDIF ()
 ELSEIF (TD_DARWIN)
   SET(TD_MAKE_INSTALL_SH "${TD_COMMUNITY_DIR}/packaging/tools/make_install.sh")
diff --git a/src/connector/jdbc/CMakeLists.txt b/src/connector/jdbc/CMakeLists.txt
index 0eb3eb21cec7d79fc5fec5f7b0400a0a5a39a137..e289f1ae1b4823ad5c6fd580551a9ee3f9800d9e 100644
--- a/src/connector/jdbc/CMakeLists.txt
+++ b/src/connector/jdbc/CMakeLists.txt
@@ -8,7 +8,7 @@ IF (TD_MVN_INSTALLED)
   ADD_CUSTOM_COMMAND(OUTPUT ${JDBC_CMD_NAME}
     POST_BUILD
     COMMAND mvn -Dmaven.test.skip=true install -f ${CMAKE_CURRENT_SOURCE_DIR}/pom.xml
-    COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/target/taos-jdbcdriver-2.0.14-dist.jar ${LIBRARY_OUTPUT_PATH}
+    COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/target/taos-jdbcdriver-2.0.15-dist.jar ${LIBRARY_OUTPUT_PATH}
     COMMAND mvn -Dmaven.test.skip=true clean -f ${CMAKE_CURRENT_SOURCE_DIR}/pom.xml
     COMMENT "build jdbc driver")
   ADD_CUSTOM_TARGET(${JDBC_TARGET_NAME} ALL WORKING_DIRECTORY ${EXECUTABLE_OUTPUT_PATH} DEPENDS ${JDBC_CMD_NAME})
diff --git a/src/connector/jdbc/deploy-pom.xml b/src/connector/jdbc/deploy-pom.xml
index 4564bde81e450f9c44be52ef69918dc0b3ada26f..1a86bc57dcc86c45ef5deb05fc58b39ee0939059 100755
--- a/src/connector/jdbc/deploy-pom.xml
+++ b/src/connector/jdbc/deploy-pom.xml
@@ -5,7 +5,7 @@
 
   <groupId>com.taosdata.jdbc</groupId>
   <artifactId>taos-jdbcdriver</artifactId>
-  <version>2.0.14</version>
+  <version>2.0.15</version>
   <packaging>jar</packaging>
 
   <name>JDBCDriver</name>
@@ -36,7 +36,6 @@
     </developer>
   </developers>
 
-
   <dependencies>
     <dependency>
       <groupId>commons-logging</groupId>
diff --git a/src/connector/jdbc/pom.xml b/src/connector/jdbc/pom.xml
index 7e087ebd9b05709518d45b8096cbd2b051c4a214..25a36e3a4822bfbea0c7f07ff3a4a09032d44542 100755
--- a/src/connector/jdbc/pom.xml
+++ b/src/connector/jdbc/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.taosdata.jdbc</groupId>
     <artifactId>taos-jdbcdriver</artifactId>
-    <version>2.0.14</version>
+    <version>2.0.15</version>
     <packaging>jar</packaging>
     <name>JDBCDriver</name>
     <url>https://github.com/taosdata/TDengine/tree/master/src/connector/jdbc</url>
diff --git a/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBStatement.java b/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBStatement.java
index cdd88b825e2a8f6ba81c131bfd1214ffbe46f32c..cd2a768a38c377916004875f3f6f143b555a0294 100644
--- a/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBStatement.java
+++ b/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBStatement.java
@@ -81,7 +81,7 @@ public class TSDBStatement implements Statement {
         }
 
         if (!this.connector.isUpdateQuery(pSql)) {
-        	TSDBResultSet res = new TSDBResultSet(this.connector, resultSetPointer);
+            TSDBResultSet res = new TSDBResultSet(this.connector, resultSetPointer);
             res.setBatchFetch(this.connection.getBatchFetch());
             return res;
         } else {
@@ -125,7 +125,8 @@ public class TSDBStatement implements Statement {
     }
 
     public int getMaxFieldSize() throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
+        return 0;
+//        throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
     }
 
     public void setMaxFieldSize(int max) throws SQLException {
@@ -218,7 +219,8 @@ public class TSDBStatement implements Statement {
     }
 
     public int getFetchDirection() throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
+        return ResultSet.FETCH_FORWARD;
+//        throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
     }
 
     /*