diff --git a/mover/suiceber/code/task2/suiceber_faucet_coin/Move.lock b/mover/suiceber/code/task2/suiceber_faucet_coin/Move.lock
index f27870364..56af22046 100644
--- a/mover/suiceber/code/task2/suiceber_faucet_coin/Move.lock
+++ b/mover/suiceber/code/task2/suiceber_faucet_coin/Move.lock
@@ -29,6 +29,6 @@ flavor = "sui"
 
 [env.mainnet]
 chain-id = "35834a8a"
-original-published-id = "0xf5f1f09b51d4a7b7e654cb044a63fd0270b89acbb94f72e013aeb10d6409aba8"
-latest-published-id = "0xf5f1f09b51d4a7b7e654cb044a63fd0270b89acbb94f72e013aeb10d6409aba8"
+original-published-id = "0xab47221259f13914137fd9a4b1a1c5ffd278d1b2f24dc2b86cf3c2a6ed96c478"
+latest-published-id = "0xab47221259f13914137fd9a4b1a1c5ffd278d1b2f24dc2b86cf3c2a6ed96c478"
 published-version = "1"
diff --git a/mover/suiceber/code/task4/Move.lock b/mover/suiceber/code/task4/Move.lock
new file mode 100644
index 000000000..80485ab30
--- /dev/null
+++ b/mover/suiceber/code/task4/Move.lock
@@ -0,0 +1,43 @@
+# @generated by Move, please check-in and do not edit manually.
+
+[move]
+version = 3
+manifest_digest = "388E0BBB22BA73585ADDC9CB107020E95F3CB5F29DE51FEA0031270CFB08B8F5"
+deps_digest = "3C4103934B1E040BB6B23F1D610B4EF9F2F1166A50A104EADCF77467C004C600"
+dependencies = [
+  { id = "Sui", name = "Sui" },
+  { id = "suiceber_faucet_coin", name = "suiceber_faucet_coin" },
+]
+
+[[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 = "suiceber_faucet_coin"
+source = { local = "C:\\Users\\62605\\Desktop\\sui\\letsmove\\mover\\suiceber\\code\\task2\\suiceber_faucet_coin" }
+
+dependencies = [
+  { id = "Sui", name = "Sui" },
+]
+
+[move.toolchain-version]
+compiler-version = "1.37.1"
+edition = "2024.beta"
+flavor = "sui"
+
+[env]
+
+[env.mainnet]
+chain-id = "35834a8a"
+original-published-id = "0xb9cc5056954ee7a6607a053115248ba5d339925715aad533a5b9a9468b687bc5"
+latest-published-id = "0xb9cc5056954ee7a6607a053115248ba5d339925715aad533a5b9a9468b687bc5"
+published-version = "1"
diff --git a/mover/suiceber/code/task4/Move.toml b/mover/suiceber/code/task4/Move.toml
new file mode 100644
index 000000000..37f85d8f3
--- /dev/null
+++ b/mover/suiceber/code/task4/Move.toml
@@ -0,0 +1,38 @@
+[package]
+name = "task4"
+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" }
+suiceber_faucet_coin = { local = "C:/Users/62605/Desktop/sui/letsmove/mover/suiceber/code/task2/suiceber_faucet_coin" }
+
+# 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]
+task4 = "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/suiceber/code/task4/sources/task4.move b/mover/suiceber/code/task4/sources/task4.move
new file mode 100644
index 000000000..cd7e75a1e
--- /dev/null
+++ b/mover/suiceber/code/task4/sources/task4.move
@@ -0,0 +1,95 @@
+//感谢前辈提供的笔记，呜呜呜，以后我也要写出这样的笔记！——苏bc
+module task4::task4 {
+    use sui::coin::{Self, Coin};
+    use suiceber_faucet_coin::suiceber_faucet_coin::SUICEBER_FAUCET_COIN;
+    use sui::balance::{Self, Balance};
+    use sui::random::{Self, Random};
+
+    const EUserInsufficientBalance: u64 = 1000;
+    const EGameInsufficientBalance: u64 = 1001;
+
+    public struct Game has key {
+        id: UID,
+        balance: Balance<SUICEBER_FAUCET_COIN>,
+    }
+
+    public struct Admin has key {
+        id: UID,
+    }
+
+    fun init(ctx: &mut TxContext) {
+        let game = Game {
+            id: object::new(ctx),
+            balance: balance::zero(),
+        };
+        transfer::share_object(game);
+
+        let admin = Admin {id: object::new(ctx)};
+        transfer::transfer(admin, ctx.sender());
+    }
+
+    public entry fun Deposit(
+        game: &mut Game,
+        coin: &mut Coin<SUICEBER_FAUCET_COIN>,
+        amount: u64,
+    ) {
+        assert!(
+            coin::value(coin) >= amount,
+            EUserInsufficientBalance
+        );
+        let split_balance = balance::split(coin::balance_mut(coin), amount);
+        balance::join(&mut game.balance, split_balance);
+    }
+
+    // 只有管理员能够提现
+    public entry fun Withdraw(
+        game: &mut Game,
+        _: &Admin,
+        amount: u64,
+        ctx: &mut TxContext
+    ) {
+        assert!(
+            game.balance.value() >= amount,
+            EGameInsufficientBalance
+        );
+        let cash = coin::take(&mut game.balance, amount, ctx);
+        transfer::public_transfer(cash, ctx.sender());
+    }
+
+    // 如果用户猜对了，获得双倍奖励。如果用户猜错了，损失投入的代币
+
+    public entry fun Play(
+        game: &mut Game,
+        rnd: &Random,
+        guess: bool,
+        coin: &mut Coin<SUICEBER_FAUCET_COIN>,
+        amount: u64,
+        ctx: &mut TxContext
+    ) {
+        // 检查合约余额是否充足，确保用户获胜时有足够金额奖励
+        assert!(
+            game.balance.value() >= amount,
+            EGameInsufficientBalance
+        );
+        // 检查用户的余额是否充足
+        assert!(
+            coin::value(coin) >= amount,
+            EUserInsufficientBalance
+        );
+
+        // 生成随机数
+        let mut gen = random::new_generator(rnd, ctx);
+        let flag = random::generate_bool(&mut gen);
+
+        // 如果获胜
+        if (flag == guess) {
+            // 投入的代币不变，另外奖励等额的代币
+            let reward = coin::take(&mut game.balance, amount, ctx);
+            coin::join(coin, reward);
+        }
+            // 猜错了就损失投入的代币
+        else {
+            Self::Deposit(game, coin, amount)
+        }
+    }
+}
diff --git a/mover/suiceber/code/task4/tests/task4_tests.move b/mover/suiceber/code/task4/tests/task4_tests.move
new file mode 100644
index 000000000..178d33b9e
--- /dev/null
+++ b/mover/suiceber/code/task4/tests/task4_tests.move
@@ -0,0 +1,18 @@
+/*
+#[test_only]
+module task4::task4_tests;
+// uncomment this line to import the module
+// use task4::task4;
+
+const ENotImplemented: u64 = 0;
+
+#[test]
+fun test_task4() {
+    // pass
+}
+
+#[test, expected_failure(abort_code = ::task4::task4_tests::ENotImplemented)]
+fun test_task4_fail() {
+    abort ENotImplemented
+}
+*/
diff --git a/mover/suiceber/readme.md b/mover/suiceber/readme.md
index 0dcd09a5e..885fa4344 100644
--- a/mover/suiceber/readme.md
+++ b/mover/suiceber/readme.md
@@ -32,10 +32,10 @@
 - [x] scan上的NFT截图:![Scan截图](./images/task3-Scan.png)
 
 ##   04 Move Game
-- [] game package id :
-- [] deposit Coin hash:
-- [] withdraw `Coin` hash:
-- [] play game hash:
+- [x] game package id :0xb9cc5056954ee7a6607a053115248ba5d339925715aad533a5b9a9468b687bc5
+- [x] deposit Coin hash:6fvhc1z1tUdxJRao38gnNzL9d3LuBhMW56qa4mCnz4R2
+- [x] withdraw `Coin` hash:BGutCyZcMmxrkMrD4LXJMjiiv8cUYdwyuvRoSc7Y4hYG
+- [x] play game hash:GfC2CX23tMhDTD18byRcVqc86iEU1NEXLahApo1zqSvK
 
 ##   05 Move Swap
 - [] swap package id :