diff --git a/README.md b/README.md
index e5e91ee..4461290 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,7 @@ Then you can open `http://127.0.0.1:8686` and log in with user name `qs` and pas
 ```
 docker run \
     --name quickshare \
-    -d -p :8686:8686 \
+    -d -p 8686:8686 \
     -v `pwd`/quickshare/root:/quickshare/root \
     -e DEFAULTADMIN=qs \
     -e DEFAULTADMINPWD=1234 \
diff --git a/docs/README_zh-cn.md b/docs/README_zh-cn.md
index 64f1599..c9bf75a 100644
--- a/docs/README_zh-cn.md
+++ b/docs/README_zh-cn.md
@@ -41,7 +41,7 @@
 ```
 docker run \
     --name quickshare \
-    -d -p :8686:8686 \
+    -d -p 8686:8686 \
     -v `pwd`/quickshare/root:/quickshare/root \
     -e DEFAULTADMIN=qs \
     -e DEFAULTADMINPWD=1234 \