diff --git a/headless/core/src/main/java/com/tencent/supersonic/headless/core/parser/calcite/sql/node/SemanticNode.java b/headless/core/src/main/java/com/tencent/supersonic/headless/core/parser/calcite/sql/node/SemanticNode.java
index 939260d09..d9a8a5fe5 100644
--- a/headless/core/src/main/java/com/tencent/supersonic/headless/core/parser/calcite/sql/node/SemanticNode.java
+++ b/headless/core/src/main/java/com/tencent/supersonic/headless/core/parser/calcite/sql/node/SemanticNode.java
@@ -89,12 +89,7 @@ public abstract class SemanticNode {
     }
 
     public static String getSql(SqlNode sqlNode, EngineType engineType) {
-        SemanticSqlDialect sqlDialect = SqlDialectFactory.getSqlDialect(engineType);
-        SqlWriterConfig config = SqlPrettyWriter.config().withDialect(sqlDialect)
-                .withKeywordsLowerCase(false).withClauseEndsLine(true).withAlwaysUseParentheses(false)
-                .withSelectListItemsOnSeparateLines(false).withUpdateSetListNewline(false).withIndentation(0);
-
-        UnaryOperator<SqlWriterConfig> sqlWriterConfigUnaryOperator = (c) -> config;
+        UnaryOperator<SqlWriterConfig> sqlWriterConfigUnaryOperator = (c) -> getSqlWriterConfig(engineType);
         return sqlNode.toSqlString(sqlWriterConfigUnaryOperator).getSql();
     }
 
@@ -167,6 +162,18 @@ public abstract class SemanticNode {
         return sqlNode;
     }
 
+    private static SqlWriterConfig getSqlWriterConfig(EngineType engineType) {
+        SemanticSqlDialect sqlDialect = SqlDialectFactory.getSqlDialect(engineType);
+        SqlWriterConfig config = SqlPrettyWriter.config().withDialect(sqlDialect)
+                .withKeywordsLowerCase(false).withClauseEndsLine(true).withAlwaysUseParentheses(false)
+                .withSelectListItemsOnSeparateLines(false).withUpdateSetListNewline(false).withIndentation(0);
+        if (EngineType.MYSQL.equals(engineType)) {
+            //no backticks around function name
+            config = config.withQuoteAllIdentifiers(false);
+        }
+        return config;
+    }
+
     private static void sqlVisit(SqlNode sqlNode, Map<String, Object> parseInfo) {
         SqlKind kind = sqlNode.getKind();
         switch (kind) {