diff --git a/src/main/java/com/zzg/mybatis/generator/MainUI.java b/src/main/java/com/zzg/mybatis/generator/MainUI.java
index 19ac9f1b..bbe43401 100644
--- a/src/main/java/com/zzg/mybatis/generator/MainUI.java
+++ b/src/main/java/com/zzg/mybatis/generator/MainUI.java
@@ -15,6 +15,7 @@
 
 /**
  * 这是本软件的主入口,要运行本软件请直接运行本类就可以了,不用传入任何参数
+ * 本软件要求jkd版本大于1.8.0.40
  */
 public class MainUI extends Application {
 
@@ -35,21 +36,7 @@ public void start(Stage primaryStage) throws Exception {
 	}
 
 	public static void main(String[] args) {
-		String version = System.getProperty("java.version");
-		if (Integer.parseInt(version.substring(0,1)) == 1 && Integer.parseInt(version.substring(2, 3)) >= 8 && Integer.parseInt(version.substring(6)) >= 60 || Integer.parseInt(version.substring(0,1))>=9) {
-			launch(args);
-		}else {
-			JFrame jFrame = new JFrame("版本错误");
-			jFrame.setSize(500, 100);
-			jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
-			JPanel jPanel = new JPanel();
-			JLabel jLabel = new JLabel("JDK的版本不能低于1.8.0.60，请升级至最近的JDK 1.8再运行此软件，当前版本:" + version);
-			jPanel.add(jLabel);
-			jFrame.add(jPanel);
-			jFrame.setLocationRelativeTo(null);
-			jFrame.setVisible(true);
-
-		}
+		launch(args);
 	}
 
 }
diff --git a/src/main/java/com/zzg/mybatis/generator/model/DbType.java b/src/main/java/com/zzg/mybatis/generator/model/DbType.java
index c10adbdb..ef21132a 100644
--- a/src/main/java/com/zzg/mybatis/generator/model/DbType.java
+++ b/src/main/java/com/zzg/mybatis/generator/model/DbType.java
@@ -7,7 +7,7 @@ public enum DbType {
 
     MySQL("com.mysql.jdbc.Driver", "jdbc:mysql://%s:%s/%s?useUnicode=true&useSSL=false&characterEncoding=%s", "mysql-connector-java-5.1.38.jar"),
     MySQL_8("com.mysql.cj.jdbc.Driver", "jdbc:mysql://%s:%s/%s?serverTimezone=UTC&useUnicode=true&useSSL=false&characterEncoding=%s", "mysql-connector-java-8.0.11.jar"),
-    Oracle("oracle.jdbc.driver.OracleDriver", "jdbc:oracle:thin:@%s:%s:%s", "ojdbc14.jar"),
+    Oracle("oracle.jdbc.OracleDriver", "jdbc:oracle:thin:@//%s:%s/%s", "ojdbc6.jar"),
     PostgreSQL("org.postgresql.Driver", "jdbc:postgresql://%s:%s/%s", "postgresql-9.4.1209.jar"),
 	SQL_Server("com.microsoft.sqlserver.jdbc.SQLServerDriver", "jdbc:sqlserver://%s:%s;databaseName=%s", "sqljdbc4-4.0.jar"),
 	Sqlite("org.sqlite.JDBC", "jdbc:sqlite:%s", "sqlite-jdbc-3.19.3.jar");
diff --git a/src/main/java/com/zzg/mybatis/generator/util/DbUtil.java b/src/main/java/com/zzg/mybatis/generator/util/DbUtil.java
index 15f90c7c..8f92005c 100644
--- a/src/main/java/com/zzg/mybatis/generator/util/DbUtil.java
+++ b/src/main/java/com/zzg/mybatis/generator/util/DbUtil.java
@@ -83,7 +83,7 @@ public static List<UITableColumnVO> getTableColumns(DatabaseConfig dbConfig, Str
 		Connection conn = getConnection(dbConfig);
 		try {
 			DatabaseMetaData md = conn.getMetaData();
-			ResultSet rs = md.getColumns(null, null, tableName, null);
+			ResultSet rs = md.getColumns(dbConfig.getSchema(), null, tableName, null);
 			List<UITableColumnVO> columns = new ArrayList<>();
 			while (rs.next()) {
 				UITableColumnVO columnVO = new UITableColumnVO();
diff --git a/src/main/resources/lib/ojdbc14.jar b/src/main/resources/lib/ojdbc14.jar
deleted file mode 100644
index cca9b8bb..00000000
Binary files a/src/main/resources/lib/ojdbc14.jar and /dev/null differ
diff --git a/src/main/resources/lib/ojdbc6.jar b/src/main/resources/lib/ojdbc6.jar
new file mode 100644
index 00000000..767eba7f
Binary files /dev/null and b/src/main/resources/lib/ojdbc6.jar differ