diff --git a/data-framework/src/main/java/com/huaxing/dolphindb/connection/AbstractDbConnector.java b/data-framework/src/main/java/com/huaxing/dolphindb/connection/AbstractDbConnector.java
index cb3e648..7718361 100644
--- a/data-framework/src/main/java/com/huaxing/dolphindb/connection/AbstractDbConnector.java
+++ b/data-framework/src/main/java/com/huaxing/dolphindb/connection/AbstractDbConnector.java
@@ -4,9 +4,6 @@ import com.xxdb.DBConnection;
 import lombok.experimental.Accessors;
 import lombok.extern.slf4j.Slf4j;
 
-import java.io.IOException;
-import java.util.List;
-
 /**
  * @ProjectName: iot-data-bridge
  * @Package: com.huaxing.data.dolphindb.connection
@@ -18,7 +15,6 @@ import java.util.List;
  */
 @Accessors(chain = true)
 @Slf4j
-@SuppressWarnings("all")
 public abstract class AbstractDbConnector {
 
     /**