diff --git a/hugegraph-dist/src/assembly/static/bin/hugegraph b/hugegraph-dist/src/assembly/static/bin/hugegraph
index f39a15c25a..9939ececb5 100644
--- a/hugegraph-dist/src/assembly/static/bin/hugegraph
+++ b/hugegraph-dist/src/assembly/static/bin/hugegraph
@@ -37,9 +37,13 @@
 ### END INIT INFO
 
 # Variables
+# it requires user to set a fixed abs path manually
 INSTALL_DIR=
 SERVER_PORT=
 
+${INSTALL_DIR:?"Please set variables 'INSTALL_DIR'"}
+${SERVER_PORT:?"Please set variables 'SERVER_PORT'"}
+
 BIN_DIR=$INSTALL_DIR/bin
 SERVER_URL="http://localhost:${SERVER_PORT}"
 DETECT_URL="$SERVER_URL/versions"