diff --git a/modules/mogo-module-v2x/src/main/java/com/mogo/module/v2x/network/V2XRefreshModel.java b/modules/mogo-module-v2x/src/main/java/com/mogo/module/v2x/network/V2XRefreshModel.java
index 947cdffe39..10fd5089d6 100644
--- a/modules/mogo-module-v2x/src/main/java/com/mogo/module/v2x/network/V2XRefreshModel.java
+++ b/modules/mogo-module-v2x/src/main/java/com/mogo/module/v2x/network/V2XRefreshModel.java
@@ -528,9 +528,9 @@ public class V2XRefreshModel {
             final Map<String, Object> map = new ParamsProvider.Builder(mContext).build();
             String json = new StringBuilder()
                     .append("{")
-                    .append("\"seekHelpSn\":").append(seekHelpSn)
+                    .append("\"seekHelpSn\":").append("\"" + seekHelpSn + "\"")
                     .append(",")
-                    .append("\"enthusiasticSn\":").append(Utils.getSn())
+                    .append("\"enthusiasticSn\":").append("\"" + Utils.getSn() + "\"")
                     .append("}").toString();
             map.put("data", json);
             mV2XApiService.respondingToHelp(map).subscribeOn(Schedulers.io())