Merge branch 'hotfix/pass-ip' into gray

@@ -150,4 +150,6 @@ library
 ### foreman ###
 Procfile
 .env
-.package-lock
+
+yarn.lock
+package-json.lock

@@ -49,7 +49,15 @@ const generate = (req, res, next) => {
 
         res.type('png');
         if (result.code === 200) {
-            request(result.data.url).pipe(res);
+            request({
+                url: result.data.url,
+                headers: {
+                    'X-request-ID': req.reqID || '',
+                    'X-YOHO-IP': req.yoho.clientIp || '',
+                    'X-Forwarded-For': req.yoho.clientIp || '',
+                    'User-Agent': 'yoho/nodejs'
+                }
+            }).pipe(res);
         }
 
     }).catch(next);