diff --git a/develop_env.fish b/develop_env.fish
new file mode 100755
index 0000000000000000000000000000000000000000..305083f100d33a33a1bf3e28c9034cd5c1a7c28b
--- /dev/null
+++ b/develop_env.fish
@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+#Config environment before develop, please run: source ./develop_env.sh
+
+set -e fish_trace
+set advisor_path (cd (dirname (status -f)); and pwd)
+
+set existed 0
+for path in $PYTHONPATH
+	if [ $advisor_path = $path ]
+		set existed 1
+		break
+	end
+end
+
+if [ $existed -eq 0 ]
+	set -x PYTHONPATH $PYTHONPATH $advisor_path
+end
+echo "PYTHONPATH=$PYTHONPATH"
diff --git a/develop_env.sh b/develop_env.sh
index a5dae2abee5a4ccd8b06b414308d95b94330928c..15737258a40cde021f1b00f0b700efe62687664d 100755
--- a/develop_env.sh
+++ b/develop_env.sh
@@ -1,9 +1,10 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #Config environment before develop, please run: source ./develop_env.sh
 
 advisor_path=$(cd $(dirname ${BASH_SOURCE}); pwd)
 python_paths=$(echo ${PYTHONPATH} | sed 's/:/ /g')
 existed=0
+
 for path in $python_paths
 do
 	if [ $advisor_path = $path ]; then