diff --git a/app/src/main/java/com/github/catvod/net/OkRequest.java b/app/src/main/java/com/github/catvod/net/OkRequest.java
index 485010c1..73ca011d 100644
--- a/app/src/main/java/com/github/catvod/net/OkRequest.java
+++ b/app/src/main/java/com/github/catvod/net/OkRequest.java
@@ -56,7 +56,7 @@ class OkRequest {
     }
 
     private RequestBody getRequestBody() {
-        if (!TextUtils.isEmpty(json)) return RequestBody.create(MediaType.parse("application/json; charset=utf-8"), json);
+        if (!TextUtils.isEmpty(json)) return RequestBody.create(MediaType.get("application/json; charset=utf-8"), json);
         FormBody.Builder formBody = new FormBody.Builder();
         if (params != null) for (String key : params.keySet()) formBody.add(key, params.get(key));
         return formBody.build();