diff --git a/README.md b/README.md
index 950b8f6..52ef550 100644
--- a/README.md
+++ b/README.md
@@ -50,12 +50,12 @@
 - [x] SqlServer 
 - [x] PostgreSQL
 - [x] Cache DB（2016）
+- [x] 达梦
 - [ ] H2 （开发中）
 - [ ] DB2  （开发中）
 - [ ] HSQL  （开发中）
 - [ ] SQLite（开发中）
 - [ ] 瀚高（开发中）
-- [ ] 达梦 （开发中）
 - [ ] 虚谷  （开发中）
 - [ ] 人大金仓（开发中）
 
diff --git a/lib/Dm7JdbcDriver-16.jar b/lib/Dm7JdbcDriver-16.jar
deleted file mode 100644
index 5132f3f..0000000
Binary files a/lib/Dm7JdbcDriver-16.jar and /dev/null differ
diff --git a/pom.xml b/pom.xml
index 42bb940..5036b03 100644
--- a/pom.xml
+++ b/pom.xml
@@ -68,6 +68,7 @@
         <postgresql.version>42.2.14</postgresql.version>
         <ojdbc.version>19.3.0.0</ojdbc.version>
         <orai18n.version>12.1.0.2.0</orai18n.version>
+        <dm.version>8.1.1.193</dm.version>
         <postgresql.version>42.2.11</postgresql.version>
         <h2.version>1.4.200</h2.version>
         <db2-jdbc.version>11.5.5.0</db2-jdbc.version>
@@ -218,6 +219,12 @@
                 <artifactId>orai18n</artifactId>
                 <version>${orai18n.version}</version>
             </dependency>
+            <!-- dm -->
+            <dependency>
+                <groupId>com.dameng</groupId>
+                <artifactId>DmJdbcDriver18</artifactId>
+                <version>${dm.version}</version>
+            </dependency>
             <!-- postgresql -->
             <dependency>
                 <groupId>org.postgresql</groupId>
diff --git a/screw-core/pom.xml b/screw-core/pom.xml
index da6ad79..8bb0a46 100644
--- a/screw-core/pom.xml
+++ b/screw-core/pom.xml
@@ -81,6 +81,12 @@
             <artifactId>orai18n</artifactId>
             <scope>provided</scope>
         </dependency>
+        <!-- dm -->
+        <dependency>
+            <groupId>com.dameng</groupId>
+            <artifactId>DmJdbcDriver18</artifactId>
+            <scope>provided</scope>
+        </dependency>
         <!-- postgresql -->
         <dependency>
             <groupId>org.postgresql</groupId>
diff --git a/screw-core/src/main/java/cn/smallbun/screw/core/query/dm/DmDataBaseQuery.java b/screw-core/src/main/java/cn/smallbun/screw/core/query/dm/DmDataBaseQuery.java
index a036720..8458412 100644
--- a/screw-core/src/main/java/cn/smallbun/screw/core/query/dm/DmDataBaseQuery.java
+++ b/screw-core/src/main/java/cn/smallbun/screw/core/query/dm/DmDataBaseQuery.java
@@ -17,19 +17,6 @@
  */
 package cn.smallbun.screw.core.query.dm;
 
-import static cn.smallbun.screw.core.constant.DefaultConstants.PERCENT_SIGN;
-
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.ConcurrentMap;
-import java.util.stream.Collectors;
-
-import javax.sql.DataSource;
-
 import cn.smallbun.screw.core.exception.QueryException;
 import cn.smallbun.screw.core.mapping.Mapping;
 import cn.smallbun.screw.core.metadata.Column;
@@ -45,6 +32,18 @@
 import cn.smallbun.screw.core.util.ExceptionUtils;
 import cn.smallbun.screw.core.util.JdbcUtils;
 
+import javax.sql.DataSource;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+import java.util.stream.Collectors;
+
+import static cn.smallbun.screw.core.constant.DefaultConstants.PERCENT_SIGN;
+
 /**
  * 达梦数据库查询
  *
@@ -57,7 +56,7 @@ public class DmDataBaseQuery extends AbstractDatabaseQuery {
     private static final String                             DM_QUERY_TABLE_SQL   = ""
                                                                                    + "select                                "
                                                                                    + "    ut.table_name TABLE_NAME,         "
-                                                                                   + "    utc.comments COMMENTS             "
+                                                                                   + "    utc.comments REMARKS             "
                                                                                    + "from                                  "
                                                                                    + "        user_tables ut                "
                                                                                    + "left join USER_TAB_COMMENTS utc       "
@@ -128,35 +127,6 @@ public Database getDataBase() throws QueryException {
         return model;
     }
 
-    /**
-     * 获取达梦数据库的schema
-     *
-     * @return {@link String} 达梦数据库的schema信息
-     */
-    @Override
-    public String getSchema() throws QueryException {
-        return null;
-    }
-
-    /**
-     * 获取达梦数据库的schema
-     *
-     * @return {@link String} 达梦数据库的schema信息
-     */
-    public String getSchemaBak() throws QueryException {
-        try {
-            String schema = null;
-            ResultSet rs = getMetaData().getSchemas();
-            while (rs.next()) {
-                schema = rs.getString(1);
-                break;
-            }
-            return schema;
-        } catch (Exception e) {
-            throw ExceptionUtils.mpe(e);
-        }
-    }
-
     /**
      * 获取表信息
      *