fix: LocalConstant 改用 ConcurrentHashMap 保证线程安全，LzTool 方法名拼写修正

- LocalConstant: HashMap → ConcurrentHashMap，put() 改用 putIfAbsent 消除 check-then-act 竞态
- LzTool: 私有方法 setDateAndComplate → setDateAndComplete（拼写修正，仅内部调用）

core/src/main/java/cn/qaiu/vx/core/util/LocalConstant.java

@@ -1,7 +1,7 @@
 package cn.qaiu.vx.core.util;
 
-import java.util.HashMap;
 import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 
 /**
  * vertx 上下文外的本地容器 为不在vertx线程的方法传递数据
@@ -10,11 +10,10 @@ import java.util.Map;
  * @author <a href="https://qaiu.top">QAIU</a>
  */
 public class LocalConstant {
-    private static final Map<String, Object> LOCAL_CONST = new HashMap<>();
+    private static final Map<String, Object> LOCAL_CONST = new ConcurrentHashMap<>();
 
     public static Map<String, Object> put(String k, Object v) {
-        if (LOCAL_CONST.containsKey(k)) return LOCAL_CONST;
-        LOCAL_CONST.put(k, v);
+        LOCAL_CONST.putIfAbsent(k, v);
         return LOCAL_CONST;
     }