codeError add param_lock

util/src/main/java/com/ccsens/util/CodeError.java

@@ -11,6 +11,7 @@ public class CodeError {
     public static final Code SYS_ERROR = new Code(500, "网络繁忙，请您稍后重试", false);
     public static final Code THIRD_ERROR = new Code(-1, "调用第三方刚接口异常", false);
     public static final Code PARAM_ERROR = new Code(1, "参数异常", false);
+    public static final Code PARAM_LOCK = new Code(2, "必填参数为空", false);
 
     @Getter
     public static class Code{