diff --git a/bank.c b/bank.c
index 4e9a264..0d76aaf 100644
--- a/bank.c
+++ b/bank.c
@@ -2,7 +2,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include "bank.h"
-
+LogQueue g_logQueue; // <-- 新增：定义全局日志队列
 STACCOUNT g_astAccounts[MAX_ACCOUNTS];
 
 int g_iAccCount = 1;
@@ -19,6 +19,7 @@ int main(void)
         printf("=== 简易银行账户管理系统 ===\n");
         printf("欢迎使用! 系统已加载%d个账户\n", g_iAccCount);
         InitAdminAccount();//初始化管理员账号
+        InitLogQueue();
         int iChoice=-1; //选择标志
         int pChoice=-1;
         while (1) {
@@ -58,7 +59,7 @@ int main(void)
                 }
                     break;
                 case 1:
-                    printf("1. 存款\n2. 取款\n3. 查询\n4. 显示所有账户\n5. 删除账户\n6. 创建管理员账户\n0. 退出账户");
+                    printf("1. 存款\n2. 取款\n3. 查询\n4. 显示所有账户\n5. 删除账户\n6. 创建管理员账户\n7.查看交易\n日志0. 退出账户");
                     pChoice=-1;
                     scanf("%d", &pChoice);
 
@@ -84,6 +85,9 @@ int main(void)
                         case 6:
                             CreateAccount(1);
                             break;
+                        case 7:
+                            ShowTransactionLogs();
+                            break;
                         case 0://EXIT
                             printf("谢谢使用!\n按任意键退出");
                             getchar();
diff --git a/bank.h b/bank.h
index 6b0ab52..c38051c 100644
--- a/bank.h
+++ b/bank.h
@@ -1,6 +1,6 @@
 #ifndef BANK_H
 #define BANK_H
-
+#define MAX_LOGS 100 // 日志队列最大容量，防止无限增长
 #define MAX_ACCOUNTS 50   //系统规格为50个账户
 #define NAME_LEN 31       //用户名字最长30字符，因此需要多1个字符串结束符
 
@@ -51,4 +51,30 @@ void DeleteAccount(int id);
 
 void InitAdminAccount();
 
+// 日志条目结构
+typedef struct {
+    int account_id;      // 涉及的账户ID
+    char type[10];       // 操作类型: "Deposit" 或 "Withdraw"
+    double amount;       // 交易金额
+    double balance;      // 交易后的余额
+    char timestamp[20];  // 时间戳 (格式: YYYY-MM-DD HH:MM:SS)
+    char location[50];   // 地点信息
+} LogEntry;
+
+// 环形队列结构
+typedef struct {
+    LogEntry logs[MAX_LOGS];
+    int front; // 队头指针
+    int rear;  // 队尾指针
+} LogQueue;
+
+// 全局日志队列变量 (在 bank.c 中定义，在其他文件中 extern 引用)
+extern LogQueue g_logQueue;
+
+// 日志函数声明
+void InitLogQueue();                    // 初始化队列
+int IsLogQueueFull();                   // 检查队列是否满
+int IsLogQueueEmpty();                  // 检查队列是否空
+int EnqueueLog(int id, const char* type, double amt, double bal); // 入队
+void ShowTransactionLogs();             // 显示所有日志
 #endif
diff --git a/log.c b/log.c
new file mode 100644
index 0000000..7550a7b
--- /dev/null
+++ b/log.c
@@ -0,0 +1,74 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include "bank.h"
+
+// 初始化日志队列
+void InitLogQueue() {
+    g_logQueue.front = 0;
+    g_logQueue.rear = 0;
+}
+
+// 检查队列是否满
+int IsLogQueueFull() {
+    return (g_logQueue.rear + 1) % MAX_LOGS == g_logQueue.front;
+}
+
+// 检查队列是否空
+int IsLogQueueEmpty() {
+    return g_logQueue.front == g_logQueue.rear;
+}
+
+// 获取当前时间字符串
+void GetCurrentTimeStr(char* buf) {
+    time_t t = time(NULL);
+    struct tm tm = *localtime(&t);
+    sprintf(buf, "%04d-%02d-%02d %02d:%02d:%02d", 
+            tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
+            tm.tm_hour, tm.tm_min, tm.tm_sec);
+}
+
+// 入队操作：记录交易
+// 参数: 账户ID, 类型("Deposit"/"Withdraw"), 交易金额, 交易后余额
+int EnqueueLog(int id, const char* type, double amt, double bal) {
+    // 如果队列满，通过移动 front 指针覆盖最旧的日志 (环形队列特性)
+    if (IsLogQueueFull()) {
+        // 覆盖旧数据，队头自动出队
+        g_logQueue.front = (g_logQueue.front + 1) % MAX_LOGS;
+    }
+    
+    // 准备日志条目
+    int pos = g_logQueue.rear;
+    g_logQueue.logs[pos].account_id = id;
+    strcpy(g_logQueue.logs[pos].type, type);
+    g_logQueue.logs[pos].amount = amt;
+    g_logQueue.logs[pos].balance = bal;
+    GetCurrentTimeStr(g_logQueue.logs[pos].timestamp);
+    strcpy(g_logQueue.logs[pos].location, "四川省 德阳市"); // 根据你的需求固定地点
+    
+    // 队尾指针后移
+    g_logQueue.rear = (g_logQueue.rear + 1) % MAX_LOGS;
+    
+    return 1; // 成功
+}
+
+// 显示所有日志 (从队头到队尾)
+void ShowTransactionLogs() {
+    if (IsLogQueueEmpty()) {
+        printf("暂无交易日志记录。\n");
+        return;
+    }
+    
+    printf("\n=== 交易流水日志 ===\n");
+    printf("%-5s %-8s %-10s %-10s %-15s %-20s\n", "ID", "操作", "金额", "余额", "时间", "地点");
+    printf("--------------------------------------------------------------\n");
+    
+    int i = g_logQueue.front;
+    while (i != g_logQueue.rear) {
+        LogEntry e = g_logQueue.logs[i];
+        printf("%-5d %-8s %-10.2f %-10.2f %-15s %-20s\n", 
+               e.account_id, e.type, e.amount, e.balance, e.timestamp, e.location);
+        i = (i + 1) % MAX_LOGS;
+    }
+}
\ No newline at end of file
diff --git a/transaction.c b/transaction.c
index afa0597..d3836e3 100644
--- a/transaction.c
+++ b/transaction.c
@@ -31,6 +31,7 @@ void Deposit(int id)
             g_astAccounts[FindAccount(id)].balance+=amount;
             printf("success");
             QueryBalance(id);
+            EnqueueLog(id, "Deposit", amount, g_astAccounts[FindAccount(id)].balance);
             SaveData();
             break;
         }
@@ -68,6 +69,7 @@ void Withdraw(int id)
         if (g_astAccounts[FindAccount(id)].password==temp_password) {
             if (g_astAccounts[FindAccount(id)].balance>amount) {
                 g_astAccounts[FindAccount(id)].balance-=amount;
+                EnqueueLog(id, "Withdraw", amount, g_astAccounts[FindAccount(id)].balance);
                 printf("success");
                 QueryBalance(id);
                 SaveData();