diff --git a/whatsmars-spring-boot-samples/whatsmars-boot-sample-logback/src/main/resources/application.yml b/whatsmars-spring-boot-samples/whatsmars-boot-sample-logback/src/main/resources/application.yml
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..d1cd3df7d692e49ca00bcce4db262e647ed0f481 100644
--- a/whatsmars-spring-boot-samples/whatsmars-boot-sample-logback/src/main/resources/application.yml
+++ b/whatsmars-spring-boot-samples/whatsmars-boot-sample-logback/src/main/resources/application.yml
@@ -0,0 +1 @@
+logging.level.org.springframework.boot: DEBUG
\ No newline at end of file