diff --git a/example/mqtt-car/src/main/resources/application-dev.yml b/example/mqtt-car/src/main/resources/application-dev.yml
index 9c971ba..ff43779 100644
--- a/example/mqtt-car/src/main/resources/application-dev.yml
+++ b/example/mqtt-car/src/main/resources/application-dev.yml
@@ -1,7 +1,7 @@
 spring:
   datasource:
     driver-class-name: com.mysql.cj.jdbc.Driver
-    url: jdbc:mysql://127.0.0.1:3306/xa_cloud?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
+    url: jdbc:mysql://127.0.0.1:3306/td_cloud?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
     username: root
     password: root
   data:
diff --git a/example/mqtt-car/src/main/resources/application-prod.yml b/example/mqtt-car/src/main/resources/application-prod.yml
index 57c4cf9..a7df03a 100644
--- a/example/mqtt-car/src/main/resources/application-prod.yml
+++ b/example/mqtt-car/src/main/resources/application-prod.yml
@@ -10,22 +10,22 @@ spring:
 #    username: root
 #    password: JL202509jj
     #td
-#    url: jdbc:mysql://127.0.0.1:3306/td_cloud?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
-#    username: root
-#    password: td@JJ2024
+    url: jdbc:mysql://127.0.0.1:3306/td_cloud?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
+    username: root
+    password: td@JJ2024
     #zr
 #    url: jdbc:mysql://192.168.155.42:3306/zr_cloud?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
 #    username: root
 #    password: zr202407.J
     #xj
-    url: jdbc:mysql://127.0.0.1:3306/xj_cloud?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
-    username: root
-    password: XjJN2024!
+#    url: jdbc:mysql://127.0.0.1:3306/xj_cloud?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
+#    username: root
+#    password: XjJN2024!
   data:
     redis:
       #zr
 #      host: 192.168.155.42
-      #xa、jl、td、xj
+#      xa、jl、td、xj
       host: 127.0.0.1
       port: 6379
       password: