diff --git a/src/connector/jdbc/deploy-pom.xml b/src/connector/jdbc/deploy-pom.xml
index 766a58f9babe3e4eec8b482b937378be6b8f0943..3f6ebeff03f538e4963540e015c7fd4b310acc42 100755
--- a/src/connector/jdbc/deploy-pom.xml
+++ b/src/connector/jdbc/deploy-pom.xml
@@ -5,10 +5,9 @@
 
   <groupId>com.taosdata.jdbc</groupId>
   <artifactId>taos-jdbcdriver</artifactId>
-  <version>2.0.0-SNAPSHOT</version>
+  <version>2.0.6</version>
   <packaging>jar</packaging>
 
-
   <name>JDBCDriver</name>
   <url>https://github.com/taosdata/TDengine/tree/master/src/connector/jdbc</url>
   <description>TDengine JDBC Driver</description>
diff --git a/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBDriver.java b/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBDriver.java
index bc649a31e1e4c56289284885a73469695ae4eae2..13be9d538d99a2af89e5870afdab7e3e6b8004e8 100755
--- a/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBDriver.java
+++ b/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBDriver.java
@@ -291,8 +291,8 @@ public class TSDBDriver implements java.sql.Driver {
             return null;
         }
 
-        String lowerUrl = url.toLowerCase();
-        if (!lowerUrl.startsWith(URL_PREFIX) && !lowerUrl.startsWith(URL_PREFIX1)) {
+//        String lowerUrl = url.toLowerCase();
+        if (!url.startsWith(URL_PREFIX) && !url.startsWith(URL_PREFIX1)) {
             return null;
         }
 
diff --git a/tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/JDBCConnectorChecker.java b/tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/JDBCConnectorChecker.java
index 1e801bc65894ef437ee41d692f9ef725b4f639ef..74e586d7fdf1a0f8ad65a807134caae7e05f6d4a 100644
--- a/tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/JDBCConnectorChecker.java
+++ b/tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/JDBCConnectorChecker.java
@@ -11,7 +11,6 @@ public class JDBCConnectorChecker {
     private static String tbName = "weather";
     private Connection connection;
 
-
     /**
      * get connection
      **/
@@ -170,5 +169,4 @@ public class JDBCConnectorChecker {
         checker.close();
     }
 
-
 }