diff --git a/jd_joy.js b/jd_joy.js
index c22b529a..40442ea9 100644
--- a/jd_joy.js
+++ b/jd_joy.js
@@ -466,7 +466,7 @@ function scanMarket(type, body, cType = 'application/json') {
       method: "POST",
       data: body,
       credentials: "include",
-      header: {"content-type": "application/json"}
+      header: {"content-type": cType}
     }
     const url = "https:"+ taroRequest(opt)['url']
     if (cType === 'application/json') {