diff --git a/src/builder/DM.php b/src/builder/DM.php
index 933403d..3436d37 100644
--- a/src/builder/DM.php
+++ b/src/builder/DM.php
@@ -3,8 +3,10 @@
 
 namespace bingher\db\builder;
 
+use Exception;
 use think\db\Builder;
 use think\db\BaseQuery as Query;
+use think\db\Raw;
 
 /**
  * 达梦数据库驱动
@@ -64,14 +66,45 @@ protected function parseLock(Query $query, $lock = false): string
      *
      * @return string
      */
-    public function parseKey(Query $query, $key, bool $strict = false): string
+    public function parseKey(Query $query, string|int|Raw $key, bool $strict = false): string
     {
+        if (is_int($key)) {
+            return (string) $key;
+        } elseif ($key instanceof Raw) {
+            return $this->parseRaw($query, $key);
+        }
+
         $key = trim($key);
 
-        if (strpos($key, '->') && false === strpos($key, '(')) {
+        if (str_contains($key, '->') && !str_contains($key, '(')) {
             // JSON字段支持
-            list($field, $name) = explode($key, '->');
-            $key                = $field . '."' . $name . '"';
+            [$field, $name] = explode($key, '->');
+            $key            = $field . '."' . $name . '"';
+        } elseif (str_contains($key, '.') && !preg_match('/[,\'\"\(\)\[\s]/', $key)) {
+            [$table, $key] = explode('.', $key, 2);
+
+            $alias = $query->getOptions('alias');
+
+            if ('__TABLE__' == $table) {
+                $table = $query->getOptions('table');
+                $table = is_array($table) ? array_shift($table) : $table;
+            }
+
+            if (isset($alias[$table])) {
+                $table = $alias[$table];
+            }
+        }
+
+        if ($strict && !preg_match('/^[\w\.\*]+$/', $key)) {
+            throw new Exception('not support data:' . $key);
+        }
+
+        if ('*' != $key && !preg_match('/[,\'\"\*\(\)\[.\s]/', $key)) {
+            $key = '"' . $key . '"';
+        }
+
+        if (isset($table)) {
+            $key = '"' . $table . '".' . $key;
         }
 
         return $key;
diff --git a/tests/DmTest.php b/tests/DmTest.php
index 1e45f9f..09c3402 100644
--- a/tests/DmTest.php
+++ b/tests/DmTest.php
@@ -451,4 +451,19 @@ public function testUpdate()
         dump($res);
         $this->assertTrue($res == 1);
     }
+
+    public function testKeyword()
+    {
+        $db   = Db::connect();
+        $data = [
+            "mysqlid" => "backup_database",
+            "ip"      => "192.168.103.38",
+            "port"    => 3306,
+            "user"    => "root1",
+            "pwd"     => "xmhymake1",
+            "state"   => 1
+        ];
+        $res  = $db->table('hy_mysql')->where('mysqlid', $data['mysqlid'])->update($data);
+        $this->assertEquals($res, 1);
+    }
 }