diff --git a/assets/core/utils/StringUtil.ts b/assets/core/utils/StringUtil.ts
index a7e0929..c1c353d 100644
--- a/assets/core/utils/StringUtil.ts
+++ b/assets/core/utils/StringUtil.ts
@@ -168,4 +168,47 @@ export class StringUtil {
         }
         return realLength;
     }
+
+    /**
+     * 是否为空
+     * @param str 
+     */
+    public static IsEmpty(str: string): boolean {
+        if (str == null || str == undefined || str.length == 0) {
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * 参数替换
+     * @param  str
+     * @param  rest
+     *  
+     * @example
+     *
+     * var str:string = "here is some info '{0}' and {1}";
+     * StringUtil.substitute(str, 15.4, true);
+     *
+     * "here is some info '15.4' and true"
+     */
+    public static substitute(str: string, ...rest: any[]): string {
+        if (str == null) return '';
+
+        var len: number = rest.length;
+        var args: any[];
+        if (len == 1 && rest[0] instanceof Array) {
+            args = rest[0];
+            len = args.length;
+        }
+        else {
+            args = rest;
+        }
+
+        for (var i: number = 0; i < len; i++) {
+            str = str.replace(new RegExp("\\{" + i + "\\}", "g"), args[i]);
+        }
+
+        return str;
+    }
 }
diff --git a/assets/libs/collection/Dictionary.ts b/assets/libs/collection/Dictionary.ts
new file mode 100644
index 0000000..23c0f1c
--- /dev/null
+++ b/assets/libs/collection/Dictionary.ts
@@ -0,0 +1,98 @@
+
+/** 字典 */
+export class Dictionary<TKey, TValue> {
+    private map: Map<TKey, TValue> | undefined = new Map<TKey, TValue>();
+    private list: Array<TValue> = [];
+
+    /**
+     * 设置
+     * @param key 
+     * @param value 
+     */
+    set(key: TKey, value: TValue): void {
+        let old: TValue;
+        //删除老的
+        if (this.map.has(key)) {
+            old = this.map.get(key);
+            const index: number = this.list.indexOf(old);
+            if (index < 0) {
+                throw new Error("Dictionary内部逻辑错误");
+            }
+            this.map.delete(key);
+            this.list.splice(index, 1);
+        }
+        this.map.set(key, value);
+        this.list.push(value);
+    }
+
+    /**
+     * 指定关键字数据是否存在
+     * @param key 
+     * @returns 
+     */
+    has(key: TKey): boolean {
+        return this.map.has(key);
+    }
+
+    /**
+     * 获取指定元素
+     * @param key 
+     * @returns 
+     */
+    get(key: TKey): TValue | undefined {
+        return this.map.get(key);
+    }
+
+    /**
+     * 通过索引获取元素
+     * @param index 
+     * @returns 
+     */
+    getValue(index: number): TValue | undefined {
+        if (index >= this.list.length) {
+            throw new Error(index + "索引超出0-" + this.list.length + "范围");
+        }
+        return this.list[index];
+    }
+
+    /**
+     * 删除指定元素
+     * @param key 
+     * @returns 
+     */
+    delete(key: TKey): TValue | undefined {
+        if (!this.map.has(key)) {
+            return undefined;
+        }
+        const result = this.map.get(key);
+        const index: number = this.list.indexOf(result);
+        if (index < 0) {
+            throw new Error("Dictionary内部逻辑错误！");
+        }
+        this.list.splice(index, 1);
+        this.map.delete(key);
+        return result;
+    }
+
+    /** 清除所有元素 */
+    clear() {
+        this.map.clear();
+        this.list.length = 0;
+    }
+
+    /** 元素列表 */
+    get elements(): Array<TValue> {
+        return this.list;
+    }
+
+    /** 数据数量 */
+    get size(): number {
+        return this.map.size;
+    }
+
+    destroy(): void {
+        this.map.clear();
+        this.map = null;
+        this.list = null;
+    }
+}
\ No newline at end of file
diff --git a/assets/libs/collection/Dictionary.ts.meta b/assets/libs/collection/Dictionary.ts.meta
new file mode 100644
index 0000000..953c13b
--- /dev/null
+++ b/assets/libs/collection/Dictionary.ts.meta
@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.23",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "27106451-650c-47ac-9c28-1e8da978e0f2",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}
diff --git a/assets/libs/collection/List.ts b/assets/libs/collection/List.ts
new file mode 100644
index 0000000..5dc8a51
--- /dev/null
+++ b/assets/libs/collection/List.ts
@@ -0,0 +1,155 @@
+/** 列表 */
+export class List<T>  {
+    private element: Array<T>;
+
+    /** 是否保证元素的唯一性 */
+    private only: boolean = false;
+
+    /** 元素数量(内部再增删时会修改这个参数，外部只做计算和绑定使用，切记不可做赋值操作) */
+    count: number = 0;
+
+    constructor(only: boolean = true) {
+        this.only = only;
+        this.element = [];
+    }
+
+    /**
+     * 添加到末尾(注意如果保证唯一性，那么重复时就直接返回)
+     * @param value 
+     */
+    push(value: T): boolean {
+        if (this.only) {
+            let index: number = this.element.indexOf(value);
+            if (index >= 0) {
+                return false;
+            }
+        }
+        this.element.push(value);
+        this.count = this.element.length;
+        return true;
+    }
+
+    /**
+     * 添加到列表头部(注意如果保证唯一性，那么重复时就直接返回)
+     * @param value 
+     * @returns 
+     */
+    unshift(value: T): boolean {
+        if (this.only) {
+            let index: number = this.element.indexOf(value);
+            if (index >= 0) {
+                return false;
+            }
+        }
+        this.element.unshift(value);
+        this.count = this.element.length;
+        return true;
+    }
+
+    /**
+     * 获取并删除最后一个元素
+     * @returns 
+     */
+    pop(): T {
+        if (this.element.length > 0) {
+            const result = this.element.pop();
+            this.count = this.element.length;
+            return result;
+        }
+        return null;
+    }
+
+    /**
+     * 获取并删除第一个元素
+     * @returns 
+     */
+    shift(): T {
+        if (this.element.length > 0) {
+            const result = this.element.shift();
+            this.count = this.element.length;
+            return result;
+        }
+        return null;
+    }
+
+    /**
+     * 删除指定索引的元素
+     * @param index 
+     */
+    removeAt(index: number): T {
+        if (index >= this.element.length) {
+            throw new Error("删除索引超出范围！");
+        }
+        const result = this.element[index];
+        this.element.splice(index, 1);
+        this.count = this.element.length;
+        return result;
+    }
+
+    /**
+     * 删除元素
+     * @param value 
+     */
+    remove(value: T): void {
+        let index: number = this.element.indexOf(value);
+        if (index < 0) {
+            throw new Error("要删除的内容不在列表中！" + value);
+        }
+        const result = this.element[index];
+        this.element.splice(index, 1);
+        this.count = this.element.length;
+    }
+
+    /** 移除所有元素 */
+    clear(): void {
+        this.count = 0;
+        this.element.length = 0;
+    }
+
+    /**
+     * 判断是否包含
+     * @param value 
+     * @returns 
+     */
+    has(value: T): boolean {
+        return this.find(value) >= 0;
+    }
+
+    /**
+     * 查找元素下标
+     * @param value 
+     * @returns 
+     */
+    find(value: T): number {
+        return this.element.indexOf(value);
+    }
+
+    /**
+     * 查找元素下标
+     * @param predicate 
+     * @returns 
+     */
+    findIndex(predicate: (value: T, index: number, obj: T[]) => unknown): number {
+        let index = this.element.findIndex(predicate);
+        return index;
+    }
+
+    /**
+     * 获取指定元素
+     * @param index 
+     * @returns 
+     */
+    get(index: number): T {
+        if (index >= this.element.length) {
+            throw new Error("超出索引范围:" + index + "/" + this.element.length);
+        }
+        return this.element[index];
+    }
+
+    /**
+     * 源列表数据(注意不要直接进行增删操作，而是通过List.push....等接口进行操作)
+     */
+    get elements(): Array<T> {
+        return this.element;
+    }
+}
\ No newline at end of file
diff --git a/assets/libs/collection/List.ts.meta b/assets/libs/collection/List.ts.meta
new file mode 100644
index 0000000..94cc5a3
--- /dev/null
+++ b/assets/libs/collection/List.ts.meta
@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.23",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "f4d36215-9036-4415-8189-c8ecbac22670",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}