dio

@@ -342,6 +342,7 @@ class DioUtil {
       options = new Options();
     }
     options.method = method;
+    options.contentType = Headers.formUrlEncodedContentType;
     return options;
   }
 
@@ -417,7 +418,7 @@ class DioUtil {
   /// get Def Options.
   static BaseOptions getDefOptions() {
     BaseOptions options = new BaseOptions();
-    // options.contentType = Headers.formUrlEncodedContentType;
+    options.contentType = Headers.formUrlEncodedContentType;
     options.connectTimeout = 1000 * 10; //默认10s
     options.receiveTimeout = 1000 * 10; //默认10s
     return options;