diff --git a/Tool/animate.js b/Tool/animate.js
new file mode 100644
index 0000000..27a7f95
--- /dev/null
+++ b/Tool/animate.js
@@ -0,0 +1,11 @@
+/**
+ * 动画函数
+ * @param {HTMLElement} event 
+ * @param {string} classname 
+ */
+export function animate(event, classname) {
+    event.classList.add(classname);
+    event.addEventListener('animationend', (event) => {
+        event.classList.remove(classname); // 清洗动画
+    });
+}
diff --git a/Tool/number.js b/Tool/number.js
new file mode 100644
index 0000000..d3c181c
--- /dev/null
+++ b/Tool/number.js
@@ -0,0 +1,22 @@
+//生成从minNum到maxNum的随机数
+export function randomNum (minNum, maxNum) {
+    switch (arguments.length) {
+        case 1:
+            return parseInt(Math.random() * minNum + 1, 10);
+        case 2:
+            return parseInt(Math.random() * (maxNum - minNum + 1) + minNum, 10);
+        default:
+            return 0;
+    }
+}
+
+
+/*
+ * 数组循环函数
+ * @param {Array} arr 
+ * @param {number} index 
+ */
+export function nextArray(arr, index) {
+    index--;
+    return arr.slice(index + 1, arr.length).concat(arr.slice(0, index + 1));
+}
diff --git a/index.js b/index.js
new file mode 100644
index 0000000..dfbb88e
--- /dev/null
+++ b/index.js
@@ -0,0 +1 @@
+export { animate } from './Tool/animate.js';
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..af78296
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,20 @@
+{
+  "name": "ddmt-tool",
+  "version": "1.0.2",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "ddmt-tool",
+      "version": "1.0.2",
+      "license": "ISC",
+      "dependencies": {
+        "ddmt-tool": "file:"
+      }
+    },
+    "node_modules/ddmt-tool": {
+      "resolved": "",
+      "link": true
+    }
+  }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..30cf38e
--- /dev/null
+++ b/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "ddmt-tool",
+  "version": "1.0.2",
+  "description": "ddmt-tool",
+  "main": "index.js",
+  "type": "module",
+  "scripts": {
+    "dev": "node index.js"
+  },
+  "keywords": [
+    "ddmt",
+    "tool"
+  ],
+  "author": "ddmt",
+  "license": "ISC",
+  "dependencies": {
+    "ddmt-tool": "file:"
+  }
+}