fix sign

src/main/java/com/common/toolbox/app_utils/HeadersUtil.java

@@ -65,11 +65,13 @@ public class HeadersUtil {
                         paramsKey.add(key);
                         paramsMap.put(key, request.url().queryParameterValue(i));
                     }
-                    String tempParams = getParameter(paramsKey, paramsMap);
-                    if (TextUtils.isEmpty(params)) {
-                        params = tempParams;
-                    } else {
-                        params = "&" + tempParams;
+                    params = params + "&" + getParameter(paramsKey, paramsMap);
+                    if (params.startsWith("&")) {
+                        params = params.replaceFirst("&", "");
+                    }
+                    if (params.endsWith("&")) {
+                        params += "!";
+                        params = params.replace("&!", "");
                     }
                 }
             }