diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/DialectFactory.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/DialectFactory.java
index 3d50e3e7..bd925b80 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/DialectFactory.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/DialectFactory.java
@@ -120,7 +120,7 @@ public class DialectFactory {
             case OPENGAUSS:
             case TDENGINE:
             case UXDB:
-                return new CommonsDialectImpl(KeywordWrap.BACKQUOTE, LimitOffsetProcesser.POSTGRESQL);
+                return new CommonsDialectImpl(KeywordWrap.DOUBLE_QUOTATION, LimitOffsetProcesser.POSTGRESQL);
             case ORACLE_12C:
             case FIREBIRD:
             case SQL_SERVER: