diff --git a/makefile b/makefile
index f379e2e..967e914 100644
--- a/makefile
+++ b/makefile
@@ -15,7 +15,7 @@ endif
 BUILD_HASH!=git rev-parse --short HEAD
 
 RELEASE_TIME!=date +%Y%m%d
-RELEASE_BASE=MinUI-$(RELEASE_TIME)a
+RELEASE_BASE=MinUI-$(RELEASE_TIME)b
 RELEASE_DOT!=find ./releases/. -regex ".*/$(RELEASE_BASE)-[0-9]+-base\.zip" -printf '.' | wc -m
 RELEASE_NAME=$(RELEASE_BASE)-$(RELEASE_DOT)