diff --git a/conf/persistence.xml b/conf/persistence.xml
index 1b82022..60bb7ee 100644
--- a/conf/persistence.xml
+++ b/conf/persistence.xml
@@ -7,9 +7,9 @@
         <shared-cache-mode>ALL</shared-cache-mode>
         <properties>
             <!-- mysql -->
-            <!--<property name="javax.persistence.jdbc.url" value="jdbc:mysql://47.106.237.198:3306/z_im"/>-->
+            <!--<property name="javax.persistence.jdbc.url" value="jdbc:postgresql://47.106.237.198:3306/z_im?currentSchema=public"/>-->
             <!-- postgresql -->
-            <property name="javax.persistence.jdbc.url" value="jdbc:postgresql://47.106.237.198:3306/z_im?currentSchema=public"/>
+            <property name="javax.persistence.jdbc.url" value="jdbc:mysql://47.106.237.198:3306/z_im"/>
             <property name="javax.persistence.jdbc.user" value="u_im"/>
             <property name="javax.persistence.jdbc.password" value="u_im@2024"/>
         </properties>