添加 clone 库，需要kotlin反射支持

src/main/kotlin/cn/tursom/core/datastruct/SimpHashMap.kt

@@ -1,26 +1,38 @@
 package cn.tursom.core.datastruct
 
 class SimpHashMap<K, V>(
-	val hashMap: java.util.AbstractMap<K, V> = HashMap()
+  val hashMap: java.util.AbstractMap<K, V> = HashMap()
-) : SimpMap<K, V>, Map<K, V> by hashMap {
+) : SimpMap<K, V>, MutableMap<K, V> by hashMap {
-	override fun delete(key: K): V? {
+  override fun delete(key: K): V? {
+    return hashMap.remove(key)
+  }
+
+  override fun set(key: K, value: V) {
+    hashMap[key] = value
+  }
+
+  override fun clear() {
+    hashMap.clear()
+  }
+
+  override fun first(): V? {
+    val i = hashMap.iterator()
+    return if (i.hasNext()) {
+      i.next().value
+    } else {
+      null
+    }
+  }
+
+	override fun put(key: K, value: V): V? {
+		return hashMap.put(key, value)
+	}
+
+	override fun putAll(from: Map<out K, V>) {
+		hashMap.putAll(from)
+	}
+
+	override fun remove(key: K): V? {
 		return hashMap.remove(key)
 	}
-
-	override fun set(key: K, value: V) {
-		hashMap[key] = value
-	}
-
-	override fun clear() {
-		hashMap.clear()
-	}
-
-	override fun first(): V? {
-		val i = hashMap.iterator()
-		return if (i.hasNext()) {
-			i.next().value
-		} else {
-			null
-		}
-	}
 }