update link (#1295)

Celia18305 · web-flow · commit 3bee53038adb · 2021-07-29T14:12:43.000+08:00
diff --git a/tutorials/en-us/migration.md b/tutorials/en-us/migration.md
@@ -176,7 +176,7 @@ As illustrated in the above architecture figure, an usual migration process flow
    >
    > - For the C# invocation code example, refer to [C# Demo](https://github.com/neo-ngd/CrossChainExample/blob/main/CrossChainDemo/Demo.cs).
    > - For the Java invocation code example, refer to [Java Demo](https://github.com/neo-ngd/CrossChainExample/tree/main/CrossChainDemo_Java/src/main/java/crosschain/demo).
-   > - For the Javascript code example, refer to [JS Demo](https://github.com/neo-ngd/CrossChainExample/blob/main/crosschaindemo.js).
+   > - For the Javascript code example, refer to [JS Demo](https://github.com/neo-ngd/CrossChainExample/tree/main/CrossChainDemo_js).
 
 2. The proxy contract locks the assets to migrate out in its address.
 
diff --git a/tutorials/zh-cn/migration.md b/tutorials/zh-cn/migration.md
@@ -177,7 +177,7 @@ Java示例
    >
    > - C# 调用代码请参考 [C# Demo](https://github.com/neo-ngd/CrossChainExample/blob/main/CrossChainDemo/Demo.cs)
    > - Java 调用代码请参考 [Java Demo](https://github.com/neo-ngd/CrossChainExample/tree/main/CrossChainDemo_Java/src/main/java/crosschain/demo)
-   > - Javascript 调用代码请参考 [JS Demo](https://github.com/neo-ngd/CrossChainExample/blob/main/crosschaindemo.js)
+   > - Javascript 调用代码请参考 [JS Demo](https://github.com/neo-ngd/CrossChainExample/tree/main/CrossChainDemo_js)
 
 2. 代理合约将需要迁移的资产锁定在其地址上
 

Original file line number	Diff line number	Diff line change
`@@ -176,7 +176,7 @@ As illustrated in the above architecture figure, an usual migration process flow`
`176`	`176`	`>`
`177`	`177`	`> - For the C# invocation code example, refer to [C# Demo](https://github.com/neo-ngd/CrossChainExample/blob/main/CrossChainDemo/Demo.cs).`
`178`	`178`	`> - For the Java invocation code example, refer to [Java Demo](https://github.com/neo-ngd/CrossChainExample/tree/main/CrossChainDemo_Java/src/main/java/crosschain/demo).`
`179`		`- > - For the Javascript code example, refer to [JS Demo](https://github.com/neo-ngd/CrossChainExample/blob/main/crosschaindemo.js).`
	`179`	`+ > - For the Javascript code example, refer to [JS Demo](https://github.com/neo-ngd/CrossChainExample/tree/main/CrossChainDemo_js).`
`180`	`180`
`181`	`181`	`2. The proxy contract locks the assets to migrate out in its address.`
`182`	`182`
Original file line number	Diff line number	Diff line change
`@@ -177,7 +177,7 @@ Java示例`
`177`	`177`	`>`
`178`	`178`	`> - C# 调用代码请参考 [C# Demo](https://github.com/neo-ngd/CrossChainExample/blob/main/CrossChainDemo/Demo.cs)`
`179`	`179`	`> - Java 调用代码请参考 [Java Demo](https://github.com/neo-ngd/CrossChainExample/tree/main/CrossChainDemo_Java/src/main/java/crosschain/demo)`
`180`		`- > - Javascript 调用代码请参考 [JS Demo](https://github.com/neo-ngd/CrossChainExample/blob/main/crosschaindemo.js)`
	`180`	`+ > - Javascript 调用代码请参考 [JS Demo](https://github.com/neo-ngd/CrossChainExample/tree/main/CrossChainDemo_js)`
`181`	`181`
`182`	`182`	`2. 代理合约将需要迁移的资产锁定在其地址上`
`183`	`183`