diff --git a/pom.xml b/pom.xml
index b364eac..e532c48 100644
--- a/pom.xml
+++ b/pom.xml
@@ -56,10 +56,10 @@
             <version>${mybatis-plus.version}</version>
         </dependency>
 
-        <!-- MySQL 驱动 -->
+        <!-- PostgreSQL 驱动 -->
         <dependency>
-            <groupId>com.mysql</groupId>
-            <artifactId>mysql-connector-j</artifactId>
+            <groupId>org.postgresql</groupId>
+            <artifactId>postgresql</artifactId>
             <scope>runtime</scope>
         </dependency>
 
diff --git a/src/main/resources/application-prod.yml b/src/main/resources/application-prod.yml
index d63fc17..93e57b5 100644
--- a/src/main/resources/application-prod.yml
+++ b/src/main/resources/application-prod.yml
@@ -3,8 +3,8 @@ server:
 
 spring:
   datasource:
-    url: ${DB_URL:jdbc:mysql://127.0.0.1:14406/iot_platform?useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&allowPublicKeyRetrieval=true}
-    username: ${DB_USERNAME:iot_app}
+    url: ${DB_URL:jdbc:postgresql://127.0.0.1:5432/iot_platform}
+    username: ${DB_USERNAME:root}
     password: ${DB_PASSWORD:}
 
 gateway:
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 01d8f19..8b5aaab 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -6,9 +6,9 @@ spring:
     name: iot-open-gateway
 
   datasource:
-    driver-class-name: com.mysql.cj.jdbc.Driver
-    url: ${DB_URL:jdbc:mysql://127.0.0.1:3306/iot_platform?useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&allowPublicKeyRetrieval=true}
-    username: ${DB_USERNAME:iot_app}
+    driver-class-name: org.postgresql.Driver
+    url: ${DB_URL:jdbc:postgresql://127.0.0.1:5432/iot_platform}
+    username: ${DB_USERNAME:root}
     password: ${DB_PASSWORD:}
 
 mybatis-plus: