diff --git a/mover/djendjcn/code/task3/nft/Move.lock b/mover/djendjcn/code/task3/nft/Move.lock
new file mode 100644
index 000000000..4470423c3
--- /dev/null
+++ b/mover/djendjcn/code/task3/nft/Move.lock
@@ -0,0 +1,34 @@
+# @generated by Move, please check-in and do not edit manually.
+
+[move]
+version = 2
+manifest_digest = "9D4FCF5807A34E3110DFBA44AD92FEFEC55EE3DE8CF58F3D302F55D3004E70D1"
+deps_digest = "F8BBB0CCB2491CA29A3DF03D6F92277A4F3574266507ACD77214D37ECA3F3082"
+dependencies = [
+  { name = "Sui" },
+]
+
+[[move.package]]
+name = "MoveStdlib"
+source = { git = "https://github.com/MystenLabs/sui.git", rev = "framework/testnet", subdir = "crates/sui-framework/packages/move-stdlib" }
+
+[[move.package]]
+name = "Sui"
+source = { git = "https://github.com/MystenLabs/sui.git", rev = "framework/testnet", subdir = "crates/sui-framework/packages/sui-framework" }
+
+dependencies = [
+  { name = "MoveStdlib" },
+]
+
+[move.toolchain-version]
+compiler-version = "1.30.1"
+edition = "2024.beta"
+flavor = "sui"
+
+[env]
+
+[env.mainnet]
+chain-id = "35834a8a"
+original-published-id = "0x4a01e79477622269cd815af0093a442111fac8322c61515c61e14f1c3b4b3964"
+latest-published-id = "0x4a01e79477622269cd815af0093a442111fac8322c61515c61e14f1c3b4b3964"
+published-version = "1"
diff --git a/mover/djendjcn/code/task3/nft/Move.toml b/mover/djendjcn/code/task3/nft/Move.toml
new file mode 100644
index 000000000..504c662e4
--- /dev/null
+++ b/mover/djendjcn/code/task3/nft/Move.toml
@@ -0,0 +1,37 @@
+[package]
+name = "nft"
+edition = "2024.beta" # edition = "legacy" to use legacy (pre-2024) Move
+# license = ""           # e.g., "MIT", "GPL", "Apache 2.0"
+# authors = ["..."]      # e.g., ["Joe Smith (joesmith@noemail.com)", "John Snow (johnsnow@noemail.com)"]
+
+[dependencies]
+Sui = { git = "https://github.com/MystenLabs/sui.git", subdir = "crates/sui-framework/packages/sui-framework", rev = "framework/testnet" }
+
+# For remote import, use the `{ git = "...", subdir = "...", rev = "..." }`.
+# Revision can be a branch, a tag, and a commit hash.
+# MyRemotePackage = { git = "https://some.remote/host.git", subdir = "remote/path", rev = "main" }
+
+# For local dependencies use `local = path`. Path is relative to the package root
+# Local = { local = "../path/to" }
+
+# To resolve a version conflict and force a specific version for dependency
+# override use `override = true`
+# Override = { local = "../conflicting/version", override = true }
+
+[addresses]
+nft = "0x0"
+
+# Named addresses will be accessible in Move as `@name`. They're also exported:
+# for example, `std = "0x1"` is exported by the Standard Library.
+# alice = "0xA11CE"
+
+[dev-dependencies]
+# The dev-dependencies section allows overriding dependencies for `--test` and
+# `--dev` modes. You can introduce test-only dependencies here.
+# Local = { local = "../path/to/dev-build" }
+
+[dev-addresses]
+# The dev-addresses section allows overwriting named addresses for the `--test`
+# and `--dev` modes.
+# alice = "0xB0B"
+
diff --git a/mover/djendjcn/code/task3/nft/sources/nft.move b/mover/djendjcn/code/task3/nft/sources/nft.move
new file mode 100644
index 000000000..3971c19bf
--- /dev/null
+++ b/mover/djendjcn/code/task3/nft/sources/nft.move
@@ -0,0 +1,61 @@
+module nft::nft {
+
+    use std::string::{Self, utf8, String};
+    use sui::url::{Self, Url};
+    use sui::display;
+    use sui::package;
+
+    public struct Nft has key, store {
+        id: UID,
+        name: String,
+        description: String,
+        creator: address,
+        url: Url,
+    }
+
+    public struct NFT has drop {}
+
+    #[allow(lint(share_owned))]
+    fun init(otw: NFT, ctx: &mut TxContext) {
+        let publisher = package::claim(otw, ctx);
+
+        let keys = vector[
+            utf8(b"name"),
+            utf8(b"description"),
+            utf8(b"creator"),
+            utf8(b"image_url"),
+        ];
+
+        let values = vector[
+            utf8(b"{name}"),
+            utf8(b"{description}"),
+            utf8(b"{creator}"),
+            utf8(b"{url}"),
+        ];
+
+        let mut display = display::new_with_fields<Nft>(
+            &publisher,
+            keys,
+            values,
+            ctx
+        );
+
+        display::update_version(&mut display);
+
+        transfer::public_share_object(display);
+        transfer::public_transfer(publisher, tx_context::sender(ctx));
+    }
+
+    entry fun mint(recipient:address, ctx: &mut TxContext) {
+        let nft = Nft {
+            id: object::new(ctx),
+            name: string::utf8(b"djendjcn"),
+            description: string::utf8(b"djendjcn NFT"),
+            creator: tx_context::sender(ctx),
+            url: url::new_unsafe_from_bytes(
+                b"https://avatars.githubusercontent.com/u/176220540?v=4"
+            )
+        };
+        transfer::public_transfer(nft, recipient);
+    }
+}
\ No newline at end of file
diff --git a/mover/djendjcn/code/task3/nft/tests/nft_tests.move b/mover/djendjcn/code/task3/nft/tests/nft_tests.move
new file mode 100644
index 000000000..1e3625fad
--- /dev/null
+++ b/mover/djendjcn/code/task3/nft/tests/nft_tests.move
@@ -0,0 +1,19 @@
+/*
+#[test_only]
+module nft::nft_tests {
+    // uncomment this line to import the module
+    // use nft::nft;
+
+    const ENotImplemented: u64 = 0;
+
+    #[test]
+    fun test_nft() {
+        // pass
+    }
+
+    #[test, expected_failure(abort_code = ::nft::nft_tests::ENotImplemented)]
+    fun test_nft_fail() {
+        abort ENotImplemented
+    }
+}
+*/
diff --git a/mover/djendjcn/code/task7/check_in/Move.lock b/mover/djendjcn/code/task7/check_in/Move.lock
new file mode 100644
index 000000000..335363ff3
--- /dev/null
+++ b/mover/djendjcn/code/task7/check_in/Move.lock
@@ -0,0 +1,34 @@
+# @generated by Move, please check-in and do not edit manually.
+
+[move]
+version = 2
+manifest_digest = "60ED2B08562863E03B32E589CB9D813832DBE08E722E777386028AACAA9C2B4A"
+deps_digest = "F8BBB0CCB2491CA29A3DF03D6F92277A4F3574266507ACD77214D37ECA3F3082"
+dependencies = [
+  { name = "Sui" },
+]
+
+[[move.package]]
+name = "MoveStdlib"
+source = { git = "https://gitee.com/MystenLabs/sui.git", rev = "framework/testnet", subdir = "crates/sui-framework/packages/move-stdlib" }
+
+[[move.package]]
+name = "Sui"
+source = { git = "https://gitee.com/MystenLabs/sui.git", rev = "framework/testnet", subdir = "crates/sui-framework/packages/sui-framework" }
+
+dependencies = [
+  { name = "MoveStdlib" },
+]
+
+[move.toolchain-version]
+compiler-version = "1.27.2"
+edition = "2024.beta"
+flavor = "sui"
+
+[env]
+
+[env.testnet]
+chain-id = "4c78adac"
+original-published-id = "0x914099b4d1b4f5513acc8aaa4fdc1f67578522b81d818f61bae527d590c6d87d"
+latest-published-id = "0x914099b4d1b4f5513acc8aaa4fdc1f67578522b81d818f61bae527d590c6d87d"
+published-version = "1"
\ No newline at end of file
diff --git a/mover/djendjcn/code/task7/check_in/Move.toml b/mover/djendjcn/code/task7/check_in/Move.toml
new file mode 100644
index 000000000..e0a4a7f1a
--- /dev/null
+++ b/mover/djendjcn/code/task7/check_in/Move.toml
@@ -0,0 +1,36 @@
+[package]
+name = "check_in"
+edition = "2024.beta" # edition = "legacy" to use legacy (pre-2024) Move
+# license = ""           # e.g., "MIT", "GPL", "Apache 2.0"
+# authors = ["..."]      # e.g., ["Joe Smith (joesmith@noemail.com)", "John Snow (johnsnow@noemail.com)"]
+
+[dependencies]
+Sui = { git = "https://gitee.com/MystenLabs/sui.git", subdir = "crates/sui-framework/packages/sui-framework", rev = "framework/testnet" }
+
+# For remote import, use the `{ git = "...", subdir = "...", rev = "..." }`.
+# Revision can be a branch, a tag, and a commit hash.
+# MyRemotePackage = { git = "https://some.remote/host.git", subdir = "remote/path", rev = "main" }
+
+# For local dependencies use `local = path`. Path is relative to the package root
+# Local = { local = "../path/to" }
+
+# To resolve a version conflict and force a specific version for dependency
+# override use `override = true`
+# Override = { local = "../conflicting/version", override = true }
+
+[addresses]
+check_in = "0x0"
+
+# Named addresses will be accessible in Move as `@name`. They're also exported:
+# for example, `std = "0x1"` is exported by the Standard Library.
+# alice = "0xA11CE"
+
+[dev-dependencies]
+# The dev-dependencies section allows overriding dependencies for `--test` and
+# `--dev` modes. You can introduce test-only dependencies here.
+# Local = { local = "../path/to/dev-build" }
+
+[dev-addresses]
+# The dev-addresses section allows overwriting named addresses for the `--test`
+# and `--dev` modes.
+# alice = "0xB0B"
diff --git a/mover/djendjcn/code/task7/check_in/sources/check_in.move b/mover/djendjcn/code/task7/check_in/sources/check_in.move
new file mode 100644
index 000000000..9892ff2e9
--- /dev/null
+++ b/mover/djendjcn/code/task7/check_in/sources/check_in.move
@@ -0,0 +1,77 @@
+module check_in::check_in {
+    use std::ascii::{String, string};
+    use std::bcs;
+    use std::hash::sha3_256;
+    use std::vector;
+    use sui::event;
+    use sui::object;
+    use sui::random;
+    use sui::random::Random;
+    use sui::transfer::share_object;
+    use sui::tx_context::{Self, TxContext};
+
+    const ESTRING: u64 = 0;
+
+    public struct Flag has copy, drop {
+        sender: address,
+        flag: bool,
+        ture_num: u64,
+        github_id: String
+    }
+
+    public struct FlagString has key {
+        id: UID,
+        str: String,
+        ture_num: u64
+    }
+
+    fun init(ctx: &mut TxContext) {
+        let flag_str = FlagString {
+            id: object::new(ctx),
+            str: string(b"LetsMoveCTF"),
+            ture_num: 0
+        };
+        share_object(flag_str);
+    }
+
+
+    entry fun get_flag(
+        flag: vector<u8>,
+        github_id: String,
+        flag_str: &mut FlagString,
+        rand: &Random,
+        ctx: &mut TxContext
+    ) {
+        let mut bcs_flag = bcs::to_bytes(&flag_str.str);
+        vector::append<u8>(&mut bcs_flag, *github_id.as_bytes());
+
+        assert!(flag == sha3_256(bcs_flag), ESTRING);
+
+        flag_str.str = getRandomString(rand, ctx);
+
+        flag_str.ture_num = flag_str.ture_num + 1;
+
+        event::emit(Flag {
+            sender: tx_context::sender(ctx),
+            flag: true,
+            ture_num: flag_str.ture_num,
+            github_id
+        });
+    }
+
+
+    fun getRandomString(rand: &Random, ctx: &mut TxContext): String {
+        let mut gen = random::new_generator(rand, ctx);
+
+        let mut str_len = random::generate_u8_in_range(&mut gen, 4, 30);
+
+        let mut rand: vector<u8> = b"";
+        while (str_len != 0) {
+            let rand_num = random::generate_u8_in_range(&mut gen, 34, 126);
+            vector::push_back(&mut rand, rand_num);
+            str_len = str_len - 1;
+        };
+
+        string(rand)
+    }
+}
diff --git a/mover/djendjcn/code/task7/check_in/tests/check_in_tests.move b/mover/djendjcn/code/task7/check_in/tests/check_in_tests.move
new file mode 100644
index 000000000..c82b0a810
--- /dev/null
+++ b/mover/djendjcn/code/task7/check_in/tests/check_in_tests.move
@@ -0,0 +1,19 @@
+/*
+#[test_only]
+module check_in::check_in_tests {
+    // uncomment this line to import the module
+    // use check_in::check_in;
+
+    const ENotImplemented: u64 = 0;
+
+    #[test]
+    fun test_check_in() {
+        // pass
+    }
+
+    #[test, expected_failure(abort_code = ::check_in::check_in_tests::ENotImplemented)]
+    fun test_check_in_fail() {
+        abort ENotImplemented
+    }
+}
+*/
\ No newline at end of file
diff --git a/mover/djendjcn/code/task8/lets_move/Move.lock b/mover/djendjcn/code/task8/lets_move/Move.lock
new file mode 100644
index 000000000..7cf3aee44
--- /dev/null
+++ b/mover/djendjcn/code/task8/lets_move/Move.lock
@@ -0,0 +1,34 @@
+# @generated by Move, please check-in and do not edit manually.
+
+[move]
+version = 2
+manifest_digest = "786B91A5B97E30CFE4109DB806C7FDAA208AD34906C77AB899770D4D0AEB5DB1"
+deps_digest = "F8BBB0CCB2491CA29A3DF03D6F92277A4F3574266507ACD77214D37ECA3F3082"
+dependencies = [
+  { name = "Sui" },
+]
+
+[[move.package]]
+name = "MoveStdlib"
+source = { git = "https://github.com/MystenLabs/sui.git", rev = "framework/testnet", subdir = "crates/sui-framework/packages/move-stdlib" }
+
+[[move.package]]
+name = "Sui"
+source = { git = "https://github.com/MystenLabs/sui.git", rev = "framework/testnet", subdir = "crates/sui-framework/packages/sui-framework" }
+
+dependencies = [
+  { name = "MoveStdlib" },
+]
+
+[move.toolchain-version]
+compiler-version = "1.26.2"
+edition = "2024.beta"
+flavor = "sui"
+
+[env]
+
+[env.testnet]
+chain-id = "4c78adac"
+original-published-id = "0x097a3833b6b5c62ca6ad10f0509dffdadff7ce31e1d86e63e884a14860cedc0f"
+latest-published-id = "0x097a3833b6b5c62ca6ad10f0509dffdadff7ce31e1d86e63e884a14860cedc0f"
+published-version = "1"
\ No newline at end of file
diff --git a/mover/djendjcn/code/task8/lets_move/Move.toml b/mover/djendjcn/code/task8/lets_move/Move.toml
new file mode 100644
index 000000000..ebe419700
--- /dev/null
+++ b/mover/djendjcn/code/task8/lets_move/Move.toml
@@ -0,0 +1,36 @@
+[package]
+name = "lets_move"
+edition = "2024.beta" # edition = "legacy" to use legacy (pre-2024) Move
+# license = ""           # e.g., "MIT", "GPL", "Apache 2.0"
+# authors = ["..."]      # e.g., ["Joe Smith (joesmith@noemail.com)", "John Snow (johnsnow@noemail.com)"]
+
+[dependencies]
+Sui = { git = "https://github.com/MystenLabs/sui.git", subdir = "crates/sui-framework/packages/sui-framework", rev = "framework/testnet" }
+
+# For remote import, use the `{ git = "...", subdir = "...", rev = "..." }`.
+# Revision can be a branch, a tag, and a commit hash.
+# MyRemotePackage = { git = "https://some.remote/host.git", subdir = "remote/path", rev = "main" }
+
+# For local dependencies use `local = path`. Path is relative to the package root
+# Local = { local = "../path/to" }
+
+# To resolve a version conflict and force a specific version for dependency
+# override use `override = true`
+# Override = { local = "../conflicting/version", override = true }
+
+[addresses]
+lets_move = "0x0"
+
+# Named addresses will be accessible in Move as `@name`. They're also exported:
+# for example, `std = "0x1"` is exported by the Standard Library.
+# alice = "0xA11CE"
+
+[dev-dependencies]
+# The dev-dependencies section allows overriding dependencies for `--test` and
+# `--dev` modes. You can introduce test-only dependencies here.
+# Local = { local = "../path/to/dev-build" }
+
+[dev-addresses]
+# The dev-addresses section allows overwriting named addresses for the `--test`
+# and `--dev` modes.
+# alice = "0xB0B"
diff --git a/mover/djendjcn/code/task8/lets_move/sources/lets_move.move b/mover/djendjcn/code/task8/lets_move/sources/lets_move.move
new file mode 100644
index 000000000..90a9ce252
--- /dev/null
+++ b/mover/djendjcn/code/task8/lets_move/sources/lets_move.move
@@ -0,0 +1,86 @@
+module lets_move::lets_move {
+    use std::ascii::{String, string};
+    use std::hash;
+    use sui::event;
+    use sui::bcs;
+    use sui::random;
+    use sui::random::Random;
+    use sui::transfer::share_object;
+
+    const EPROOF: u64 = 0;
+
+    public struct Flag has copy, drop {
+        sender: address,
+        flag: bool,
+        ture_num: u64,
+        github_id: String
+    }
+
+    public struct Challenge has key {
+        id: UID,
+        str: String,
+        difficulity: u64,
+        ture_num: u64
+    }
+
+    fun init(ctx: &mut TxContext) {
+        let flag_str = Challenge {
+            id: object::new(ctx),
+            str: string(b"LetsMoveCTF"),
+            difficulity: 3,
+            ture_num: 0,
+        };
+        share_object(flag_str);
+    }
+
+
+    entry fun get_flag(
+        proof: vector<u8>,
+        github_id: String,
+        challenge: &mut Challenge,
+        rand: &Random,
+        ctx: &mut TxContext
+    ) {
+        let mut full_proof: vector<u8> = vector::empty<u8>();
+        vector::append<u8>(&mut full_proof, proof);
+        vector::append<u8>(&mut full_proof, tx_context::sender(ctx).to_bytes());
+        vector::append<u8>(&mut full_proof, bcs::to_bytes(challenge));
+
+        let hash: vector<u8> = hash::sha3_256(full_proof);
+
+        let mut prefix_sum: u32 = 0;
+        let mut i: u64 = 0;
+        while (i < challenge.difficulity) {
+            prefix_sum = prefix_sum + (*vector::borrow(&hash, i) as u32);
+            i = i + 1;
+        };
+
+        assert!(prefix_sum == 0, EPROOF);
+
+        challenge.str = getRandomString(rand, ctx);
+        challenge.ture_num = challenge.ture_num + 1;
+
+        event::emit(Flag {
+            sender: tx_context::sender(ctx),
+            flag: true,
+            ture_num: challenge.ture_num,
+            github_id
+        });
+    }
+
+
+    fun getRandomString(rand: &Random, ctx: &mut TxContext): String {
+        let mut gen = random::new_generator(rand, ctx);
+
+        let mut str_len = random::generate_u8_in_range(&mut gen, 4, 30);
+
+        let mut rand: vector<u8> = b"";
+        while (str_len != 0) {
+            let rand_num = random::generate_u8_in_range(&mut gen, 34, 126);
+            vector::push_back(&mut rand, rand_num);
+            str_len = str_len - 1;
+        };
+
+        string(rand)
+    }
+}
diff --git a/mover/djendjcn/code/task8/lets_move/tests/lets_move_tests.move b/mover/djendjcn/code/task8/lets_move/tests/lets_move_tests.move
new file mode 100644
index 000000000..7cfc393f9
--- /dev/null
+++ b/mover/djendjcn/code/task8/lets_move/tests/lets_move_tests.move
@@ -0,0 +1,19 @@
+/*
+#[test_only]
+module lets_move::lets_move_tests {
+    // uncomment this line to import the module
+    // use lets_move::lets_move;
+
+    const ENotImplemented: u64 = 0;
+
+    #[test]
+    fun test_lets_move() {
+        // pass
+    }
+
+    #[test, expected_failure(abort_code = ::lets_move::lets_move_tests::ENotImplemented)]
+    fun test_lets_move_fail() {
+        abort ENotImplemented
+    }
+}
+*/
\ No newline at end of file
diff --git a/mover/djendjcn/img/3.png b/mover/djendjcn/img/3.png
new file mode 100644
index 000000000..7805758f0
Binary files /dev/null and b/mover/djendjcn/img/3.png differ
diff --git a/mover/djendjcn/readme.md b/mover/djendjcn/readme.md
index 60515d880..91e3a9234 100644
--- a/mover/djendjcn/readme.md
+++ b/mover/djendjcn/readme.md
@@ -26,10 +26,10 @@
 - [] `Faucet Coin` address2 mint hash:
 
 ##   03 move NFT
-- [] nft package id :
-- [] nft object id : 
-- [] 转账 nft  hash:
-- [] scan上的NFT截图:![Scan截图](./images/你的图片地址)
+- [] nft package id : 0x4a01e79477622269cd815af0093a442111fac8322c61515c61e14f1c3b4b3964
+- [] nft object id : 0xde3b558a2e26c2d72f544e354e32b180aa35dc329f0e351ff78d86a6908fc5d7
+- [] 转账 nft  hash: 3cTPXXNWCu1Yo91wNv9PvYrAwH94oztecVJ5KSkoY2Ud
+- [] scan上的NFT截图:![Scan截图](./img/3.png)
 
 ##   04 Move Game
 - [] game package id :