diff --git a/chat2db-community-server/chat2db-community-plugins/chat2db-community-kingbase/src/main/java/ai/chat2db/plugin/kingbase/constant/KingBaseColumnTypeEnumConstants.java b/chat2db-community-server/chat2db-community-plugins/chat2db-community-kingbase/src/main/java/ai/chat2db/plugin/kingbase/constant/KingBaseColumnTypeEnumConstants.java
index ee0ff102a8..ce1fddc8c7 100644
--- a/chat2db-community-server/chat2db-community-plugins/chat2db-community-kingbase/src/main/java/ai/chat2db/plugin/kingbase/constant/KingBaseColumnTypeEnumConstants.java
+++ b/chat2db-community-server/chat2db-community-plugins/chat2db-community-kingbase/src/main/java/ai/chat2db/plugin/kingbase/constant/KingBaseColumnTypeEnumConstants.java
@@ -17,7 +17,7 @@ public final class KingBaseColumnTypeEnumConstants {
 
     public static final String SQL_ALTER_COLUMN = "ALTER COLUMN \"";
     public static final String SQL_COMMENT_COLUMN = "COMMENT ON COLUMN";
-    public static final String SQL_DROP_COLUMN = "DROP COLUMN `";
+    public static final String SQL_DROP_COLUMN = "DROP COLUMN \"";
 
     private KingBaseColumnTypeEnumConstants() {
     }
diff --git a/chat2db-community-server/chat2db-community-plugins/chat2db-community-kingbase/src/main/java/ai/chat2db/plugin/kingbase/enums/type/KingBaseColumnTypeEnum.java b/chat2db-community-server/chat2db-community-plugins/chat2db-community-kingbase/src/main/java/ai/chat2db/plugin/kingbase/enums/type/KingBaseColumnTypeEnum.java
index 8c6b747aeb..6f2b16ad83 100644
--- a/chat2db-community-server/chat2db-community-plugins/chat2db-community-kingbase/src/main/java/ai/chat2db/plugin/kingbase/enums/type/KingBaseColumnTypeEnum.java
+++ b/chat2db-community-server/chat2db-community-plugins/chat2db-community-kingbase/src/main/java/ai/chat2db/plugin/kingbase/enums/type/KingBaseColumnTypeEnum.java
@@ -139,7 +139,7 @@ private String buildCollation(TableColumn column, KingBaseColumnTypeEnum type) {
     public String buildModifyColumn(TableColumn column) {
 
         if (EditStatusEnum.DELETE.name().equals(column.getEditStatus())) {
-            return StringUtils.join(SQL_DROP_COLUMN, column.getName() + "`");
+            return StringUtils.join(SQL_DROP_COLUMN, column.getName() + "\"");
         }
         if (EditStatusEnum.ADD.name().equals(column.getEditStatus())) {
             return StringUtils.join("ADD COLUMN ", buildCreateColumnSql(column));