fix WebRequest#getAsEntity

src/main/java/cc/fascinated/bat/common/WebRequest.java

@@ -31,6 +31,7 @@ public class WebRequest {
      * @return the response
      */
     public static <T> T getAsEntity(String url, Class<T> clazz) throws RateLimitException {
+        try {
             ResponseEntity<T> responseEntity = CLIENT.get()
                     .uri(url)
                     .retrieve()
@@ -45,6 +46,11 @@ public class WebRequest {
                 throw new RateLimitException("Rate limit reached");
             }
             return responseEntity.getBody();
+        } catch (RateLimitException e) {
+            throw e;
+        } catch (Exception e) {
+            return null;
+        }
     }
 
     /**