diff --git a/README.md b/README.md
index e54919c..6b337d7 100644
--- a/README.md
+++ b/README.md
@@ -1,17 +1 @@
-# jiaozifs
-version control file system.
-
-## quick start 
-
-build
-```bash
-git clone https://github.com/jiaozifs/jiaozifs.git
-make build
-```
-
-init and running
-```bash
-./jzfs init  --db postgres://li:li123@localhost:5432/jiaozifs?sslmode=disable
-
-./jzfs daemon
-```
+# 仅测试
diff --git a/codecov.yml b/codecov.yml
new file mode 100644
index 0000000..1a1acbd
--- /dev/null
+++ b/codecov.yml
@@ -0,0 +1,6 @@
+comment:                  # this is a top-level key
+  layout: "diff, files"
+  behavior: default
+  require_changes: false  # if true: only post the comment if coverage changes
+  require_base: no        # [yes :: must have a base report to post]
+  require_head: no         # [yes :: must have a head report to post]