diff --git a/src/connector/jdbc/src/test/java/com/taosdata/jdbc/TSDBConnectionTest.java b/src/connector/jdbc/src/test/java/com/taosdata/jdbc/TSDBConnectionTest.java
index fa4433d65413167a8fb429b41f8765b28f125bb9..748b0c4ad61b76e67e01f05ec15d7dd53da0c793 100644
--- a/src/connector/jdbc/src/test/java/com/taosdata/jdbc/TSDBConnectionTest.java
+++ b/src/connector/jdbc/src/test/java/com/taosdata/jdbc/TSDBConnectionTest.java
@@ -8,8 +8,6 @@ import org.junit.Test;
 import java.sql.*;
 import java.util.Properties;
 
-import static org.junit.Assert.*;
-
 public class TSDBConnectionTest {
 
     private static final String host = "127.0.0.1";