diff --git a/2017-deadlineclub-ji40709/demo.js b/2017-deadlineclub-ji40709/demo.js
new file mode 100644
index 0000000..8e10d4d
--- /dev/null
+++ b/2017-deadlineclub-ji40709/demo.js
@@ -0,0 +1,19 @@
+//趙子權
+function getBMI(height,weight){
+    var BMI = weight/(height*height);
+    return BMI;
+};
+
+console.log(getBMI(1.7,65));
+
+function getMessage(height,weight){
+    var BMI = weight/(height*height);
+    if(BMI<18.5){console.log('體重過輕');}
+    if(BMI>=18.5 & BMI<24){console.log('BMI為正常範圍');}
+    if(BMI>=24 & BMI<27){console.log('過重');}
+    if(BMI>=27 & BMI<30){console.log('輕度肥胖');}
+    if(BMI>=30 & BMI<35){console.log('中度肥胖');}
+    if(BMI>=35){console.log('重度肥胖');}
+}
+
+console.log(getMessage(1.7,65));
diff --git a/2017-deadlineclub-ji40709/package.json b/2017-deadlineclub-ji40709/package.json
new file mode 100644
index 0000000..a6d395c
--- /dev/null
+++ b/2017-deadlineclub-ji40709/package.json
@@ -0,0 +1,12 @@
+{
+  "name": "package",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "start": "node demo.js",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC"
+}