diff --git a/_sql/README.md b/_sql/README.md
index 9453a57c..bbf86465 100644
--- a/_sql/README.md
+++ b/_sql/README.md
@@ -1,4 +1,5 @@
 ## sql相关说明
 1. 【xiaonuo-vue-pub.sql】 为mysql版本的sql，如果您的数据库为mysql，可直接运行此sql
 2. 【xiaonuo-vue-pub-oracle.sql】 为oracle版本的sql，如果您的数据库为oracle，可直接运行此sql
-3. 【xiaonuo-vue-pub-mssql.sql】 为mssql版本的sql，如果您的数据库为mssql，可直接运行此sql
\ No newline at end of file
+3. 【xiaonuo-vue-pub-mssql.sql】 为mssql版本的sql，如果您的数据库为mssql，可直接运行此sql
+3. 【xiaonuo-vue-pub-postgresql.sql】 为postgresql版本的sql，如果您的数据库为postgresql，可直接运行此sql
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index 8250ee9b..efd1f8f9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,10 +27,10 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <postgresql.version>42.2.19</postgresql.version>
         <mysql-connector-java.version>8.0.17</mysql-connector-java.version>
         <oracle.version>11.2.0.3</oracle.version>
         <mssql.version>9.3.0.jre8-preview</mssql.version>
+        <postgresql.version>42.2.19</postgresql.version>
         <druid.version>1.1.21</druid.version>
         <mp.version>3.4.2</mp.version>
         <fastjson.version>1.2.75</fastjson.version>
@@ -61,32 +61,33 @@
                 <version>${mp.version}</version>
             </dependency>
 
-            <!--数据库驱动-->
-<!--            <dependency>-->
-<!--                <groupId>mysql</groupId>-->
-<!--                <artifactId>mysql-connector-java</artifactId>-->
-<!--                <version>${mysql-connector-java.version}</version>-->
-<!--            </dependency>-->
-            <!--
+            <!-- 数据库驱动,可根据自己需要自行删减，默认使用mysql -->
             <dependency>
+                <groupId>mysql</groupId>
+                <artifactId>mysql-connector-java</artifactId>
+                <version>${mysql-connector-java.version}</version>
+            </dependency>
+
+            <!-- oracle -->
+            <!--<dependency>
                 <groupId>com.oracle</groupId>
                 <artifactId>ojdbc6</artifactId>
                 <version>${oracle.version}</version>
-            </dependency>
-            -->
+            </dependency>-->
 
-            <dependency>
+            <!-- mssql -->
+            <!--<dependency>
                 <groupId>com.microsoft.sqlserver</groupId>
                 <artifactId>mssql-jdbc</artifactId>
                 <version>${mssql.version}</version>
-            </dependency>
+            </dependency>-->
 
-            <dependency>
+            <!-- postgresql -->
+            <!--<dependency>
                 <groupId>org.postgresql</groupId>
                 <artifactId>postgresql</artifactId>
                 <version>${postgresql.version}</version>
-            </dependency>
-
+            </dependency>-->
 
             <!--数据库连接池-->
             <dependency>
diff --git a/xiaonuo-base/xiaonuo-core/pom.xml b/xiaonuo-base/xiaonuo-core/pom.xml
index 6709b2fb..90da3b45 100644
--- a/xiaonuo-base/xiaonuo-core/pom.xml
+++ b/xiaonuo-base/xiaonuo-core/pom.xml
@@ -41,27 +41,29 @@
             <artifactId>spring-boot-starter-security</artifactId>
         </dependency>
 
-        <!-- 数据库驱动,可根据自己需要自行删减 -->
-<!--        <dependency>-->
-<!--            <groupId>mysql</groupId>-->
-<!--            <artifactId>mysql-connector-java</artifactId>-->
-<!--        </dependency>-->
-        <!--
+        <!-- 数据库驱动,可根据自己需要自行删减，默认使用mysql -->
         <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+        </dependency>
+
+        <!-- oracle -->
+        <!--<dependency>
             <groupId>com.oracle</groupId>
             <artifactId>ojdbc6</artifactId>
-        </dependency>
-        -->
+        </dependency>-->
 
-        <dependency>
+        <!-- mssql -->
+        <!--<dependency>
             <groupId>com.microsoft.sqlserver</groupId>
             <artifactId>mssql-jdbc</artifactId>
-        </dependency>
+        </dependency>-->
 
-        <dependency>
+        <!-- postgresql -->
+        <!--<dependency>
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
-        </dependency>
+        </dependency>-->
 
         <!-- druid连接池 -->
         <dependency>