diff --git a/src/common/utils.cpp b/src/common/utils.cpp
new file mode 100644
index 0000000..a42e64b
--- /dev/null
+++ b/src/common/utils.cpp
@@ -0,0 +1,26 @@
+/**
+ * @file utils.cpp
+ *
+ * @author Yuzhe Guo
+ * @date 2025.11.15
+ */
+#include "utils.h"
+
+namespace UNO::COMMON {
+    Random::Random() : rd_(), gen_(rd_()) {}
+    std::mt19937 &Random::getGenerator() {
+        return gen_;
+    }
+
+    Utils *Utils::getInstance() {
+        if (Utils::instance_ == nullptr) {
+            Utils::instance_ = new Utils();
+        }
+        return Utils::instance_;
+    }
+    Random &Utils::getRandom() {
+        return this->random_;
+    }
+
+
+} // UNO
\ No newline at end of file
diff --git a/src/common/utils.h b/src/common/utils.h
new file mode 100644
index 0000000..32ca492
--- /dev/null
+++ b/src/common/utils.h
@@ -0,0 +1,50 @@
+/**
+ * @file utils.h
+ * 工具
+ *
+ * @author Yuzhe Guo
+ * @date 2025.11.15
+ */
+#ifndef UNO_GAME_UTILS_H
+#define UNO_GAME_UTILS_H
+#include <random>
+
+namespace UNO::COMMON {
+    /**
+     * 随机数生成器
+     */
+    class Random {
+    private:
+        std::random_device rd_;
+        std::mt19937 gen_;
+
+    public:
+        Random();
+
+        /**
+         * @return 一个 std::mt19937
+         */
+        std::mt19937 &getGenerator();
+    };
+
+    class Utils {
+    private:
+        Utils() = default;
+        Random random_;
+        static Utils* instance_;
+
+    public:
+        /**
+         * @return 随机数生成器
+         */
+        Random &getRandom();
+
+        /**
+         * @return 工具实例
+         */
+        static Utils *getInstance();
+
+    };
+} // UNO
+
+#endif //UNO_GAME_UTILS_H