diff --git a/agents-flex-core/src/main/java/com/agentsflex/core/util/Maps.java b/agents-flex-core/src/main/java/com/agentsflex/core/util/Maps.java
new file mode 100644
index 0000000..6aa64f1
--- /dev/null
+++ b/agents-flex-core/src/main/java/com/agentsflex/core/util/Maps.java
@@ -0,0 +1,156 @@
+/*
+ *  Copyright (c) 2023-2025, Agents-Flex (fuhai999@gmail.com).
+ *  <p>
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *  <p>
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *  <p>
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package com.agentsflex.core.util;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.serializer.SerializerFeature;
+
+import java.lang.reflect.Array;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.function.Function;
+
+public class Maps extends HashMap<String, Object> {
+
+    public static Maps of() {
+        return new Maps();
+    }
+
+    public static Maps of(String key, Object value) {
+        Maps maps = Maps.of();
+        maps.put(key, value);
+        return maps;
+    }
+
+    public static Maps ofNotNull(String key, Object value) {
+        return new Maps().setIfNotNull(key, value);
+    }
+
+    public static Maps ofNotEmpty(String key, Object value) {
+        return new Maps().setIfNotEmpty(key, value);
+    }
+
+    public static Maps ofNotEmpty(String key, Maps value) {
+        return new Maps().setIfNotEmpty(key, value);
+    }
+
+
+    public Maps set(String key, Object value) {
+        super.put(key, value);
+        return this;
+    }
+
+    public Maps setChild(String key, Object value) {
+        if (key.contains(".")) {
+            String[] keys = key.split("\\.");
+            Map<String, Object> currentMap = this;
+            for (int i = 0; i < keys.length; i++) {
+                String currentKey = keys[i].trim();
+                if (currentKey.isEmpty()) {
+                    continue;
+                }
+                if (i == keys.length - 1) {
+                    currentMap.put(currentKey, value);
+                } else {
+                    //noinspection unchecked
+                    currentMap = (Map<String, Object>) currentMap.computeIfAbsent(currentKey, k -> Maps.of());
+                }
+            }
+        } else {
+            super.put(key, value);
+        }
+
+        return this;
+    }
+
+    public Maps setOrDefault(String key, Object value, Object orDefault) {
+        if (isNullOrEmpty(value)) {
+            return this.set(key, orDefault);
+        } else {
+            return this.set(key, value);
+        }
+    }
+
+    public Maps setIf(boolean condition, String key, Object value) {
+        if (condition) put(key, value);
+        return this;
+    }
+
+    public Maps setIf(Function<Maps, Boolean> func, String key, Object value) {
+        if (func.apply(this)) put(key, value);
+        return this;
+    }
+
+    public Maps setIfNotNull(String key, Object value) {
+        if (value != null) put(key, value);
+        return this;
+    }
+
+    public Maps setIfNotEmpty(String key, Object value) {
+        if (!isNullOrEmpty(value)) {
+            put(key, value);
+        }
+        return this;
+    }
+
+    public Maps setIfNotEmpty(Map<String, Object> source) {
+        if (!isNullOrEmpty(source)) {
+            this.putAll(source);
+        }
+        return this;
+    }
+
+
+    public Maps setIfContainsKey(String checkKey, String key, Object value) {
+        if (this.containsKey(checkKey)) {
+            this.put(key, value);
+        }
+        return this;
+    }
+
+    public Maps setIfNotContainsKey(String checkKey, String key, Object value) {
+        if (!this.containsKey(checkKey)) {
+            this.put(key, value);
+        }
+        return this;
+    }
+
+    public String toJSON() {
+        return JSON.toJSONString(this, SerializerFeature.DisableCircularReferenceDetect);
+    }
+
+
+    private static boolean isNullOrEmpty(Object value) {
+        if (value == null) {
+            return true;
+        }
+
+        if (value instanceof Collection && ((Collection<?>) value).isEmpty()) {
+            return true;
+        }
+
+        if (value instanceof Map && ((Map<?, ?>) value).isEmpty()) {
+            return true;
+        }
+
+        if (value.getClass().isArray() && Array.getLength(value) == 0) {
+            return true;
+        }
+
+        return value instanceof String && ((String) value).trim().isEmpty();
+    }
+}