diff --git a/JavaScript/test/test2.js b/JavaScript/test/test2.js
index 1aa6048..1e7fd4b 100644
--- a/JavaScript/test/test2.js
+++ b/JavaScript/test/test2.js
@@ -8,10 +8,11 @@ function test1() {
     }
 }
 function test2() {
-    const genid = new GenId({ WorkerId: 1 })
-    const id = genid.NextId()
-    console.log(typeof (id))
-    console.log(id, id.toString().length)
+    const genid = new GenId({ WorkerId: 1, SeqBitLength: 14 })
+    for (let i = 0; i < 10; i++) {
+        let id1 = genid.NextId()
+        console.log(`${i} ID:${id1} ${typeof id1} 长度：${id1.toString().length}`)
+    }
 }
 
 function main() {
diff --git a/TypeScript/README.md b/TypeScript/README.md
index b3dfc77..aa8c1cb 100644
--- a/TypeScript/README.md
+++ b/TypeScript/README.md
@@ -144,3 +144,31 @@ $ ts-node test/test4.ts
 
 ```
 
+## 同时兼容number和bigint的写法
+
+如果您觉得这个用法更好，可以手动替换对应方法
+
+```js
+    /**
+     * 生成ID
+     * @returns 
+     */
+    public NextId(): number | bigint {
+        if (this._IsOverCost) {
+            //
+            let id = this.NextOverCostId()
+            if (id >= 9007199254740992n)
+                return id
+            else
+                return parseInt(id.toString())
+        } else {
+            //
+            let id = this.NextNormalId()
+            if (id >= 9007199254740992n)
+                return id
+            else
+                return parseInt(id.toString())
+        }
+    }
+
+```
\ No newline at end of file
diff --git a/TypeScript/snowflakeIdv1.ts b/TypeScript/snowflakeIdv1.ts
index b3b5227..f84a22f 100644
--- a/TypeScript/snowflakeIdv1.ts
+++ b/TypeScript/snowflakeIdv1.ts
@@ -328,21 +328,13 @@ export class snowflakeIdv1 {
      * 生成ID
      * @returns 
      */
-    public NextId(): number | bigint {
+    public NextId(): bigint {
         if (this._IsOverCost) {
             //
-            let id = this.NextOverCostId()
-            if (id >= 9007199254740992n)
-                return id
-            else
-                return parseInt(id.toString())
+            return this.NextOverCostId()
         } else {
             //
-            let id = this.NextNormalId()
-            if (id >= 9007199254740992n)
-                return id
-            else
-                return parseInt(id.toString())
+            return this.NextNormalId()
         }
     }
 }
diff --git a/TypeScript/test/test4.ts b/TypeScript/test/test4.ts
index 6477960..ab51f36 100644
--- a/TypeScript/test/test4.ts
+++ b/TypeScript/test/test4.ts
@@ -2,7 +2,7 @@ import { snowflakeIdv1 } from '../snowflakeIdv1'
 
 const WorkerId = process.env.WorkerId == undefined ? 1 : process.env.WorkerId
 
-let gen1 = new snowflakeIdv1({ WorkerId: WorkerId, SeqBitLength: 13 })
+let gen1 = new snowflakeIdv1({ WorkerId: WorkerId, SeqBitLength: 10 })
 for (let i = 0; i < 10; i++) {
     let id1 = gen1.NextId()
     console.log(`${i} ID:${id1} ${typeof id1} 长度：${id1.toString().length}`)