diff --git a/website/i18n/en.json b/website/i18n/en.json
index 2ff2ed2..699d107 100644
--- a/website/i18n/en.json
+++ b/website/i18n/en.json
@@ -376,6 +376,10 @@
         "title": "TEE Technology",
         "sidebar_label": "TEE Technology"
       },
+      "tonApplications": {
+        "title": "TON applications",
+        "sidebar_label": "TON applications"
+      },
       "tonBuild101": {
         "title": "Build With TON 101",
         "sidebar_label": "Build With TON 101"
diff --git a/website/sidebars.json b/website/sidebars.json
index c6d9362..5416bbd 100644
--- a/website/sidebars.json
+++ b/website/sidebars.json
@@ -121,7 +121,8 @@
     ],
     "Build With TON": [
       "tonBuildOverview",
-      "tonBuild101"
+      "tonBuild101",
+      "tonApplications"
     ],
     "Node": [
       "nodeOverview",
diff --git a/website/translated_docs/zh-CN/ton-applications.md b/website/translated_docs/zh-CN/ton-applications.md
new file mode 100644
index 0000000..6996593
--- /dev/null
+++ b/website/translated_docs/zh-CN/ton-applications.md
@@ -0,0 +1,25 @@
+---
+id: tonApplications
+title: TON applications
+sidebar_label: TON applications
+---
+
+## I. Telegram Mini Apps
+
+We have built a [Telegram Mini Apps](https://core.telegram.org/bots/webapps) for users to directly upload and store files to TONBags in telegram.
+
+1. In telegram, search and add TonBagsBot(Test)
+
+   ![Pic](assets/build/tonbags-miniapp-addbot.png)
+
+2. Use '/connect' command to connect to your TON wallet
+
+   ![Pic](assets/build/tonbags-miniapp-connect.png)
+
+3. Select and upload some files. Confirm the transaction on the connected TON wallet.
+
+4. Use '/my_files' command to launch the Mini Apps.
+
+   ![Pic](assets/build/tonbags-miniapp-myfiles.png)
+
+   ![Pic](assets/build/tonbags-miniapp-files.png)
\ No newline at end of file
diff --git a/website/translated_docs/zh-CN/ton-build-101.md b/website/translated_docs/zh-CN/ton-build-101.md
index 3503b6c..3ab75cb 100644
--- a/website/translated_docs/zh-CN/ton-build-101.md
+++ b/website/translated_docs/zh-CN/ton-build-101.md
@@ -10,7 +10,72 @@ This article will describe how to use TON storage smart contract to place order.
 
 ## II. Storage smart contract
 
-- Testnet storage contract address: https://testnet.tonviewer.com/kQBOOMNqG0rvNm6vFGfR4qZl48BTDw_gYefVI4DQ70t9GjhI
+- Testnet storage contract address: https://testnet.tonviewer.com/EQBOOMNqG0rvNm6vFGfR4qZl48BTDw_gYefVI4DQ70t9GoPC
 - Mainnet storage contract address: (coming soon)
 
-## III. Example (coming soon)
+## III. SDK & Example
+
+Developers could use [tonbags-sdk](https://www.npmjs.com/package/@crustnetwork/tonbags-sdk) to place storage orders.
+
+**Installation**
+
+```sh
+$ npm install @crustnetwork/tonbags-sdk @ton/ton @ton/core @ton/crypto
+```
+
+**Usage**
+
+```javascript
+import tonbagssdk from '@crustnetwork/tonbags-sdk'
+import { default_storage_period } from "@crustnetwork/tonbags-sdk/src/TonBags";
+import { Address, toNano } from "@ton/core";
+import { mnemonicToPrivateKey } from "@ton/crypto";
+import { TonClient, WalletContractV4 } from "@ton/ton";
+
+const tc = new TonClient({
+    endpoint: "https://testnet.toncenter.com/api/v2/jsonRPC",
+});
+const tonbagsAddress = Address.parse(
+    "EQBOOMNqG0rvNm6vFGfR4qZl48BTDw_gYefVI4DQ70t9GoPC"
+);
+const tonBags = tonbagssdk.TonBags.createFromAddress(tonbagsAddress);
+
+const openTonBags = tc.open(tonBags);
+const keyPair = await mnemonicToPrivateKey(["your", "mnemonic"]);
+const wallet = tc.open(
+    WalletContractV4.create({ workchain: 0, publicKey: keyPair.publicKey })
+);
+await openTonBags.sendPlaceStorageOrder(
+    wallet.sender(keyPair.secretKey),
+    tonrrentHash, // torrentHash or bagId
+    1024n, // fileSize
+    merkleHash, // file merkle tree root hash
+    toNano("0.1"), // storageFee
+    default_storage_period // storage period time
+);
+```
+
+Before placing order, the file need be encoded into a merkle tree, and the root hash need be passed to TONBag storage contract. Below is the code example:
+
+```javascript
+import { merkle } from '@crustnetwork/tonbags-sdk'
+
+const readAsBlob = async (file: string) => {
+  return new Promise<Blob>((resolve, reject) => {
+    let chunks: Buffer[] = [];
+    fs.createReadStream(file)
+      .on("error", reject)
+      .on("data", (data: Buffer) => {
+        chunks.push(data);
+      })
+      .on("end", () => resolve(new Blob(chunks)));
+  });
+};
+
+const mt = new merkle.MerkleTree();
+const blob = await readAsBlob("test.txt");
+// generate merkle tree
+await mt.genTree(blob);
+// merkle tree root
+const merkleRoot = mt.tree![0];
+```
\ No newline at end of file