Update remove bash

build/remove.sh

@@ -2,4 +2,7 @@
 
 docker-compose -f docker-compose.yml down
 docker-compose -f wecube_core_mysql.yml down
-docker rmi `docker images|grep -v $1|grep -E 'platform-core|platform-gateway|wecube-portal|platform-auth-server|wecube-db'|awk '{print $1":"$2}'`
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+if [[ -n `docker images|grep -v $1|grep -E 'platform-core|platform-gateway|wecube-portal|platform-auth-server|wecube-db'|awk '{print $1":"$2}'` ]]
+then
+  docker rmi `docker images|grep -v $1|grep -E 'platform-core|platform-gateway|wecube-portal|platform-auth-server|wecube-db'|awk '{print $1":"$2}'`
+fi
\ No newline at end of file