src/org/redkale/util/Utility.java

@@ -617,7 +617,7 @@ public final class Utility {
             conn.disconnect();
             return remoteHttpContent(ctx, method, newurl, headers, body);
         }
-        InputStream in = conn.getInputStream();
+        InputStream in = rs < 400 ? conn.getInputStream() : conn.getErrorStream();
         ByteArrayOutputStream out = new ByteArrayOutputStream(1024);
         byte[] bytes = new byte[1024];
         int pos;