diff --git a/core/backend/src/main/java/io/dataease/dto/datasource/CHConfiguration.java b/core/backend/src/main/java/io/dataease/dto/datasource/CHConfiguration.java
index 224e07c596..ea37f81630 100644
--- a/core/backend/src/main/java/io/dataease/dto/datasource/CHConfiguration.java
+++ b/core/backend/src/main/java/io/dataease/dto/datasource/CHConfiguration.java
@@ -5,6 +5,10 @@ import lombok.Getter;
 import lombok.Setter;
 import org.apache.commons.lang3.StringUtils;
 
+import java.net.URLDecoder;
+import java.util.Arrays;
+import java.util.List;
+
 @Getter
 @Setter
 public class CHConfiguration extends JdbcConfiguration {