diff --git a/README.md b/README.md
index 5f088da..9e22181 100644
--- a/README.md
+++ b/README.md
@@ -153,7 +153,7 @@ For Ubuntu, official recommend mirror lists are here:
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-**--dhcp-static**: Default to use DHCP to finish network configuration. If your cloud provider is a small or middle merchant, the network of your machine may be static so you need to add it. it is equal with add --ip-addr "" --ip-mask "" --ip-gate "", if you add this, don't distribute the following three items again! It must be added in the last of the command.
+**--network-static**: Default to use DHCP to finish network configuration. If your cloud provider is a small or middle merchant, the network of your machine may be static so you need to add it. it is equal with add --ip-addr "" --ip-mask "" --ip-gate "", if you add this, don't distribute the following three items again! It must be added in the last of the command.
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