diff --git a/mover/lizhecome/code/task7/check_in_task/Move.lock b/mover/lizhecome/code/task7/check_in_task/Move.lock
new file mode 100644
index 000000000..a092855f0
--- /dev/null
+++ b/mover/lizhecome/code/task7/check_in_task/Move.lock
@@ -0,0 +1,34 @@
+# @generated by Move, please check-in and do not edit manually.
+
+[move]
+version = 3
+manifest_digest = "38F91517243B65BA1C6310088E81D2A9961A2D05092A4621F67E633D77AE81BF"
+deps_digest = "F8BBB0CCB2491CA29A3DF03D6F92277A4F3574266507ACD77214D37ECA3F3082"
+dependencies = [
+  { id = "Sui", name = "Sui" },
+]
+
+[[move.package]]
+id = "MoveStdlib"
+source = { git = "https://github.com/MystenLabs/sui.git", rev = "framework/testnet", subdir = "crates/sui-framework/packages/move-stdlib" }
+
+[[move.package]]
+id = "Sui"
+source = { git = "https://github.com/MystenLabs/sui.git", rev = "framework/testnet", subdir = "crates/sui-framework/packages/sui-framework" }
+
+dependencies = [
+  { id = "MoveStdlib", name = "MoveStdlib" },
+]
+
+[move.toolchain-version]
+compiler-version = "1.37.2"
+edition = "2024.beta"
+flavor = "sui"
+
+[env]
+
+[env.testnet]
+chain-id = "4c78adac"
+original-published-id = "0x26a47876f0640ad190679ad0307aa60c77b6009b214f867ef7a24be1f084d51d"
+latest-published-id = "0x26a47876f0640ad190679ad0307aa60c77b6009b214f867ef7a24be1f084d51d"
+published-version = "1"
diff --git a/mover/lizhecome/code/task7/check_in_task/Move.toml b/mover/lizhecome/code/task7/check_in_task/Move.toml
new file mode 100644
index 000000000..852f66f45
--- /dev/null
+++ b/mover/lizhecome/code/task7/check_in_task/Move.toml
@@ -0,0 +1,37 @@
+[package]
+name = "check_in_task"
+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]
+check_in_task = "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/lizhecome/code/task7/check_in_task/sources/check_in_task.move b/mover/lizhecome/code/task7/check_in_task/sources/check_in_task.move
new file mode 100644
index 000000000..52b57ac79
--- /dev/null
+++ b/mover/lizhecome/code/task7/check_in_task/sources/check_in_task.move
@@ -0,0 +1,37 @@
+/// Module: check_in_task
+module check_in_task::check_in_task;
+use std::ascii::{String,string};
+use sui::transfer::share_object;
+use std::bcs;
+use sui::event;
+use std::hash::sha3_256;
+
+public struct CheckinString has key {
+    id: UID,
+    key: vector<u8>
+}
+
+public struct GetCheckinString has drop,copy{
+    sender:address,
+    checkin_string:vector<u8>,
+    github_id:String
+}
+
+fun init(ctx:& mut TxContext){
+    let checkin_string = CheckinString {
+        id: object::new(ctx),
+        key: vector::empty<u8>(),
+    };
+    share_object(checkin_string);
+}
+
+entry fun getCheckinString(github_id:String, check_string:&mut CheckinString, flagString:String, ctx:&TxContext){
+    let mut bcs_flag = bcs::to_bytes(&flagString);
+    vector::append<u8>(&mut bcs_flag, *github_id.as_bytes());
+    check_string.key =sha3_256(bcs_flag);
+    event::emit(GetCheckinString {
+            sender: ctx.sender(),
+            checkin_string: check_string.key,
+            github_id
+    });
+}
\ No newline at end of file
diff --git a/mover/lizhecome/code/task7/check_in_task/tests/check_in_task_tests.move b/mover/lizhecome/code/task7/check_in_task/tests/check_in_task_tests.move
new file mode 100644
index 000000000..6c0013f55
--- /dev/null
+++ b/mover/lizhecome/code/task7/check_in_task/tests/check_in_task_tests.move
@@ -0,0 +1,18 @@
+/*
+#[test_only]
+module check_in_task::check_in_task_tests;
+// uncomment this line to import the module
+// use check_in_task::check_in_task;
+
+const ENotImplemented: u64 = 0;
+
+#[test]
+fun test_check_in_task() {
+    // pass
+}
+
+#[test, expected_failure(abort_code = ::check_in_task::check_in_task_tests::ENotImplemented)]
+fun test_check_in_task_fail() {
+    abort ENotImplemented
+}
+*/
diff --git a/mover/lizhecome/code/task8/gen_proof/Move.lock b/mover/lizhecome/code/task8/gen_proof/Move.lock
new file mode 100644
index 000000000..faa02479d
--- /dev/null
+++ b/mover/lizhecome/code/task8/gen_proof/Move.lock
@@ -0,0 +1,43 @@
+# @generated by Move, please check-in and do not edit manually.
+
+[move]
+version = 3
+manifest_digest = "FD7281619B1D5F46D8575E8C43537192F9D6B8E63A32E0E4989C0014A7678C17"
+deps_digest = "3C4103934B1E040BB6B23F1D610B4EF9F2F1166A50A104EADCF77467C004C600"
+dependencies = [
+  { id = "Sui", name = "Sui" },
+  { id = "lets_move", name = "lets_move" },
+]
+
+[[move.package]]
+id = "MoveStdlib"
+source = { git = "https://github.com/MystenLabs/sui.git", rev = "framework/testnet", subdir = "crates/sui-framework/packages/move-stdlib" }
+
+[[move.package]]
+id = "Sui"
+source = { git = "https://github.com/MystenLabs/sui.git", rev = "framework/testnet", subdir = "crates/sui-framework/packages/sui-framework" }
+
+dependencies = [
+  { id = "MoveStdlib", name = "MoveStdlib" },
+]
+
+[[move.package]]
+id = "lets_move"
+source = { local = "../lets_move" }
+
+dependencies = [
+  { id = "Sui", name = "Sui" },
+]
+
+[move.toolchain-version]
+compiler-version = "1.37.2"
+edition = "2024.beta"
+flavor = "sui"
+
+[env]
+
+[env.testnet]
+chain-id = "4c78adac"
+original-published-id = "0x1df6e78eb65ec032e83bf7a7070cd5f41f1d72e9c52fbdad3cddc18590fc3325"
+latest-published-id = "0x1df6e78eb65ec032e83bf7a7070cd5f41f1d72e9c52fbdad3cddc18590fc3325"
+published-version = "1"
diff --git a/mover/lizhecome/code/task8/gen_proof/Move.toml b/mover/lizhecome/code/task8/gen_proof/Move.toml
new file mode 100644
index 000000000..3407415b4
--- /dev/null
+++ b/mover/lizhecome/code/task8/gen_proof/Move.toml
@@ -0,0 +1,38 @@
+[package]
+name = "gen_proof"
+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" }
+lets_move = { local = "../lets_move" }
+# 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]
+gen_proof = "0x0"
+random = "0x8"
+
+# 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/lizhecome/code/task8/gen_proof/sources/gen_proof.move b/mover/lizhecome/code/task8/gen_proof/sources/gen_proof.move
new file mode 100644
index 000000000..97f54a231
--- /dev/null
+++ b/mover/lizhecome/code/task8/gen_proof/sources/gen_proof.move
@@ -0,0 +1,34 @@
+/*
+/// Module: gen_proof
+module gen_proof::gen_proof;
+*/
+module gen_proof::gen_proof {
+    use std::ascii::{String, string};
+    use std::hash;
+    use sui::event;
+    use sui::bcs;
+    use sui::random;
+    use sui::transfer::share_object;
+    use sui::tx_context::{TxContext, sender};
+    use sui::random::Random;
+    use lets_move::lets_move::Challenge;
+    
+
+
+    public struct ChallengeBytes has copy, drop {
+        object_bytes :vector<u8>
+    }
+
+
+    /// 初始化 Challenge 对象
+    public fun init_challenge(ctx: &mut TxContext) {
+
+    }
+
+
+    public entry fun get_challenge_bytes(challenge: &Challenge,ctx:&TxContext){
+        event::emit(ChallengeBytes {
+            object_bytes:bcs::to_bytes(challenge)
+    });
+    }
+}
\ No newline at end of file
diff --git a/mover/lizhecome/code/task8/gen_proof/tests/gen_proof_tests.move b/mover/lizhecome/code/task8/gen_proof/tests/gen_proof_tests.move
new file mode 100644
index 000000000..8b1378917
--- /dev/null
+++ b/mover/lizhecome/code/task8/gen_proof/tests/gen_proof_tests.move
@@ -0,0 +1 @@
+
diff --git a/mover/lizhecome/code/task8/get_proof.py b/mover/lizhecome/code/task8/get_proof.py
new file mode 100644
index 000000000..57a6f6a98
--- /dev/null
+++ b/mover/lizhecome/code/task8/get_proof.py
@@ -0,0 +1,42 @@
+import hashlib
+import random
+
+def sha3_256(data: bytes) -> bytes:
+    """计算 sha3_256 哈希"""
+    return hashlib.sha3_256(data).digest()
+
+def find_proof(sender_bytes: bytes, challenge_bytes: bytes, difficulity: int = 3) -> list:
+    """寻找满足条件的 proof 并返回字节数组"""
+    while True:
+        # 随机生成 8 字节的 proof
+        proof = random.randbytes(8)
+        
+        # 构建 full_proof = proof + sender_bytes + challenge_bytes
+        full_proof = proof + sender_bytes + bytes(challenge_bytes)
+        
+        # 计算 sha3_256 哈希
+        hash_result = sha3_256(full_proof)
+        
+        # 计算前 difficulity 个字节的前缀和
+        prefix_sum = sum(hash_result[i] for i in range(difficulity))
+        
+        # 满足 prefix_sum == 0 的条件
+        if prefix_sum == 0:
+            print(f"Proof found (byte array): {[b for b in proof]}")
+            return [b for b in proof]
+
+# 将 sender 转换为字节数组（16 进制字符串转为 bytes）
+sender_hex = "43d945f82670c017d1989a6613612092e07560dcf88580f6649c4c0b7aa54e44"
+sender_bytes = bytes.fromhex(sender_hex)
+
+# 使用提供的 challenge_bytes
+challenge_bytes = [
+    25, 231, 108, 165, 4, 197, 165, 250, 94, 33, 74, 69, 252, 166, 192, 88,
+    23, 27, 163, 51, 246, 218, 137, 123, 130, 115, 16, 148, 80, 77, 90, 185,
+    24, 53, 123, 75, 62, 115, 100, 82, 75, 76, 48, 74, 44, 60, 65, 40, 94, 45,
+    126, 115, 77, 126, 95, 121, 51, 3, 0, 0, 0, 0, 0, 0, 0, 88, 0, 0, 0, 0, 0, 0, 0
+]
+
+# 计算 proof 并输出为字节数组
+proof = find_proof(sender_bytes, challenge_bytes)
+print(f"Calculated proof as byte array: {proof}")
\ No newline at end of file
diff --git a/mover/lizhecome/code/task8/lets_move/Move.lock b/mover/lizhecome/code/task8/lets_move/Move.lock
new file mode 100644
index 000000000..200f3a7d9
--- /dev/null
+++ b/mover/lizhecome/code/task8/lets_move/Move.lock
@@ -0,0 +1,34 @@
+# @generated by Move, please check-in and do not edit manually.
+
+[move]
+version = 3
+manifest_digest = "786B91A5B97E30CFE4109DB806C7FDAA208AD34906C77AB899770D4D0AEB5DB1"
+deps_digest = "F8BBB0CCB2491CA29A3DF03D6F92277A4F3574266507ACD77214D37ECA3F3082"
+dependencies = [
+  { id = "Sui", name = "Sui" },
+]
+
+[[move.package]]
+id = "MoveStdlib"
+source = { git = "https://github.com/MystenLabs/sui.git", rev = "framework/testnet", subdir = "crates/sui-framework/packages/move-stdlib" }
+
+[[move.package]]
+id = "Sui"
+source = { git = "https://github.com/MystenLabs/sui.git", rev = "framework/testnet", subdir = "crates/sui-framework/packages/sui-framework" }
+
+dependencies = [
+  { id = "MoveStdlib", name = "MoveStdlib" },
+]
+
+[move.toolchain-version]
+compiler-version = "1.37.2"
+edition = "2024.beta"
+flavor = "sui"
+
+[env]
+
+[env.testnet]
+chain-id = "4c78adac"
+original-published-id = "0x097a3833b6b5c62ca6ad10f0509dffdadff7ce31e1d86e63e884a14860cedc0f"
+latest-published-id = "0x097a3833b6b5c62ca6ad10f0509dffdadff7ce31e1d86e63e884a14860cedc0f"
+published-version = "1"
diff --git a/mover/lizhecome/code/task8/lets_move/Move.toml b/mover/lizhecome/code/task8/lets_move/Move.toml
new file mode 100644
index 000000000..2c2ad6ae1
--- /dev/null
+++ b/mover/lizhecome/code/task8/lets_move/Move.toml
@@ -0,0 +1,37 @@
+[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/lizhecome/code/task8/lets_move/sources/lets_move.move b/mover/lizhecome/code/task8/lets_move/sources/lets_move.move
new file mode 100644
index 000000000..7fd6fd550
--- /dev/null
+++ b/mover/lizhecome/code/task8/lets_move/sources/lets_move.move
@@ -0,0 +1,87 @@
+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/lizhecome/code/task8/lets_move/tests/lets_move_tests.move b/mover/lizhecome/code/task8/lets_move/tests/lets_move_tests.move
new file mode 100644
index 000000000..4febaae1a
--- /dev/null
+++ b/mover/lizhecome/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
+    }
+}
+*/
diff --git a/mover/lizhecome/images/task7.png b/mover/lizhecome/images/task7.png
new file mode 100644
index 000000000..717687799
Binary files /dev/null and b/mover/lizhecome/images/task7.png differ
diff --git a/mover/lizhecome/images/task8.png b/mover/lizhecome/images/task8.png
new file mode 100644
index 000000000..77e27ee46
Binary files /dev/null and b/mover/lizhecome/images/task8.png differ
diff --git a/mover/lizhecome/readme.md b/mover/lizhecome/readme.md
index d91d87981..0e4ade5ed 100644
--- a/mover/lizhecome/readme.md
+++ b/mover/lizhecome/readme.md
@@ -49,9 +49,10 @@
 - [x] save hash : 3BUnnzzjgi7nzZ1q53nLgAhWYWzdYb7Ststp6GciPtE5
 
 ##   07 Move CTF Check In
-- [] CLI call 截图 : ![截图](./images/你的图片地址)
-- [] flag hash :
+- [x] CLI call 截图 : ![截图](./images/task7.png)
+- [x] flag hash :En5nJpBQ1QUNtux8cF25WbZDRsfubqfyBfuDhpAew8Rp
 
 ##   08 Move CTF Lets Move
-- [] proof : 
-- [] flag hash :
+- [x] proof :证明方法见mover/lizhecome/code/task8/get_proof.py，以及move项目gen_proof
+ CLI call 截图 : ![截图](./images/task8.png)
+- [x] flag hash : DfyvNhuyZk6wk17B2Hwz3NUWLQ6Abndp2Xou2uaNxb7X