diff --git a/README.md b/README.md
index cd6c1172a480bda611f20a8bdff853e0e55dfdd4..3d462d56fc698ec27b0dfdc93854aaa8f20bb2a3 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@
 ####Params
 
 |Key | Description | Type | Default|
-| -- | ----------- | ---- | ------ |
+| --- | ----------- | ---- | ------ |
 |pickerConfirmBtnText  |  |string  |确认                |
 |pickerCancelBtnText   |  |string  |取消                |
 |pickerTitleText       |  |string  |请选择              |