diff --git a/src/main/java/cn/edu/zust/dubbo/ SingletonPattern.java b/src/main/java/cn/edu/zust/dubbo/SingletonPattern.java
similarity index 100%
rename from src/main/java/cn/edu/zust/dubbo/ SingletonPattern.java
rename to src/main/java/cn/edu/zust/dubbo/SingletonPattern.java