fix syntax : syntax is changed

@@ -28,6 +28,7 @@ mongoose
     useNewUrlParser: true,
     useFindAndModify: false,
     useUnifiedTopology: true,
+    useCreateIndex : true
   })
   .then(() => {
     console.log("Connected to MongoDB");

@@ -14,7 +14,7 @@ exports.register = async (ctx) => {
     password: Joi.string().required(),
   });
 
-  const result = Joi.validate(ctx.request.body, schema);
+  const result = schema.validate(ctx.request.body);
   if (result.error) {
     ctx.status = 400;
     ctx.body = result.error;

@@ -51,7 +51,7 @@ exports.setProfile = async (ctx) => {
     })
     .unknown();
   console.log(ctx.request.body);
-  const result = Joi.validate(ctx.request.body, schema);
+  const result = schema.validate(ctx.request.body);
   if (result.error) {
     ctx.status = 400;
     ctx.body = result.error;