src/main/java/com/hx/util/rsa/RSASignature.java
@@ -136,8 +136,8 @@ for(int i = 0; i < keys.size(); ++i) { String key = (String)keys.get(i); Object value = params.get(key); if(value != null){ String value = String.valueOf(params.get(key)); if(StringUtils.isEmpty(value)){ continue; } content.append(i == 0 ? "" : "&").append(key).append("=").append(value);