diff --git a/mybatis-flex-spring-boot-starter/src/main/java/com/mybatisflex/spring/boot/DbAutoConfiguration.java b/mybatis-flex-spring-boot-starter/src/main/java/com/mybatisflex/spring/boot/DbAutoConfiguration.java
index b8223e3a..b3886b3f 100644
--- a/mybatis-flex-spring-boot-starter/src/main/java/com/mybatisflex/spring/boot/DbAutoConfiguration.java
+++ b/mybatis-flex-spring-boot-starter/src/main/java/com/mybatisflex/spring/boot/DbAutoConfiguration.java
@@ -32,9 +32,10 @@ public class DbAutoConfiguration {
 
     public DbAutoConfiguration() {
         FlexGlobalConfig defaultConfig = FlexGlobalConfig.getDefaultConfig();
-        if (defaultConfig == null){
-            Logger.getLogger(Db.class.getName()).log(Level.WARNING,"Cannot get FlexGlobalConfig instance, Perhaps the dataSource config error.");
-        }else {
+        if (defaultConfig == null) {
+            Logger.getLogger(DbAutoConfiguration.class.getName()).log(Level.WARNING
+                    , "Cannot get FlexGlobalConfig instance, Perhaps the dataSource config error.");
+        } else {
             Db.invoker().setRowSessionManager(new SpringRowSessionManager());
         }
     }