diff --git a/Dockerfile b/Dockerfile
index a9d89c2f..06302b1d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -30,7 +30,7 @@ ENV CRAWLAB_IS_DOCKER Y
 # install packages
 RUN chmod 777 /tmp \
 	&& apt-get update \
-	&& apt-get install -y curl git net-tools iputils-ping ntp ntpdate nginx wget dumb-init cloc \
+	&& apt-get install -y curl git net-tools iputils-ping ntp ntpdate nginx wget dumb-init cloc
 
 # install python
 RUN apt-get install python3 python3-pip \
diff --git a/Dockerfile.cn b/Dockerfile.cn
index 4974ddd8..4c04458f 100644
--- a/Dockerfile.cn
+++ b/Dockerfile.cn
@@ -30,7 +30,7 @@ ENV CRAWLAB_IS_DOCKER Y
 # install packages
 RUN chmod 777 /tmp \
 	&& apt-get update \
-	&& apt-get install -y curl git net-tools iputils-ping ntp ntpdate nginx wget dumb-init cloc \
+	&& apt-get install -y curl git net-tools iputils-ping ntp ntpdate nginx wget dumb-init cloc
 
 # install python
 RUN apt-get install python3 python3-pip \
diff --git a/Dockerfile.local b/Dockerfile.local
index 1bc2e6fb..d99f5a95 100644
--- a/Dockerfile.local
+++ b/Dockerfile.local
@@ -30,7 +30,7 @@ ENV CRAWLAB_IS_DOCKER Y
 # install packages
 RUN chmod 777 /tmp \
 	&& apt-get update \
-	&& apt-get install -y curl git net-tools iputils-ping ntp ntpdate nginx wget dumb-init cloc \
+	&& apt-get install -y curl git net-tools iputils-ping ntp ntpdate nginx wget dumb-init cloc
 
 # install python
 RUN apt-get install python3 python3-pip \