diff --git a/src/connector/jdbc/src/test/java/com/taosdata/jdbc/cases/App3.java b/src/connector/jdbc/src/main/java/App3.java
similarity index 98%
rename from src/connector/jdbc/src/test/java/com/taosdata/jdbc/cases/App3.java
rename to src/connector/jdbc/src/main/java/App3.java
index 0d6efe58d2b7d40aaf5cb389c6d5440c2b82a9e6..5274b76d88615ea9de0894b6dc2d6446c82e6bb5 100755
--- a/src/connector/jdbc/src/test/java/com/taosdata/jdbc/cases/App3.java
+++ b/src/connector/jdbc/src/main/java/App3.java
@@ -1,5 +1,3 @@
-package com.taosdata.jdbc.cases;
-
 import org.apache.commons.dbcp2.BasicDataSource;
 
 import java.sql.*;
diff --git a/src/connector/jdbc/src/test/java/com/taosdata/jdbc/cases/TdEngineSuperDataGen.java b/src/connector/jdbc/src/main/java/TdEngineSuperDataGen.java
similarity index 98%
rename from src/connector/jdbc/src/test/java/com/taosdata/jdbc/cases/TdEngineSuperDataGen.java
rename to src/connector/jdbc/src/main/java/TdEngineSuperDataGen.java
index b75e7d5e99853203edf4be22a60a7396b79c2d49..8530843d039382cbe8b9ef698e10758a4e7dca62 100755
--- a/src/connector/jdbc/src/test/java/com/taosdata/jdbc/cases/TdEngineSuperDataGen.java
+++ b/src/connector/jdbc/src/main/java/TdEngineSuperDataGen.java
@@ -1,5 +1,3 @@
-package com.taosdata.jdbc.cases;
-
 import java.sql.Connection;
 import java.sql.DriverManager;
 import java.sql.SQLException;