diff --git a/Article/YueQian/Code/Mycode/TianShuJiSuan.c b/Article/YueQian/Code/Mycode/TianShuJiSuan.c
deleted file mode 100644
index 89bbfd5..0000000
--- a/Article/YueQian/Code/Mycode/TianShuJiSuan.c
+++ /dev/null
@@ -1,148 +0,0 @@
-#include <stdio.h>
-
-// 基准日期：2004年5月2日（星期日）
-#define BASE_YEAR 2004
-#define BASE_MONTH 5
-#define BASE_DAY 2
-
-// 闰年判断：是闰年返回1，否则返回0
-int is_leap_year(int year)
-{
-    return (year % 4 == 0 && year % 100 != 0) || (year % 400 == 0);
-}
-
-// 获取指定年份和月份的天数
-int get_month_days(int year, int month)
-{
-    int month_days[] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
-    if (month == 2 && is_leap_year(year))
-    {
-        return 29;
-    }
-    return month_days[month];
-}
-
-// 计算从"年1月1日"到"年-月-日"的总天数
-int days_from_year_start(int year, int month, int day)
-{
-    int total = 0;
-    for (int m = 1; m < month; m++)
-    {
-        total += get_month_days(year, m);
-    }
-    total += day;
-    return total;
-}
-
-// 计算两个日期之间的天数差（date2 - date1，date2需晚于date1）
-int calculate_days_diff(int year1, int month1, int day1, 
-                        int year2, int month2, int day2)
-{
-    int diff = 0;
-
-    // 同年直接相减
-    if (year1 == year2)
-    {
-        int days_to_date1 = days_from_year_start(year1, month1, day1);
-        int days_to_date2 = days_from_year_start(year2, month2, day2);
-        return days_to_date2 - days_to_date1;
-    }
-
-    // 不同年：分段计算
-    int total_days_year1 = is_leap_year(year1) ? 366 : 365;
-    int days_to_date1 = days_from_year_start(year1, month1, day1);
-    int days_left_in_year1 = total_days_year1 - days_to_date1;
-
-    for (int y = year1 + 1; y < year2; y++)
-    {
-        diff += is_leap_year(y) ? 366 : 365;
-    }
-
-    int days_to_date2 = days_from_year_start(year2, month2, day2);
-    diff += days_left_in_year1 + days_to_date2;
-
-    return diff;
-}
-
-int zeller_calc_weekday(int year, int month, int day)
-{
-    int y, c, m, d;
-    if (month < 3)
-    {
-        m = month + 12;
-        y = year - 1;
-    }
-    else
-    {
-        m = month;
-        y = year;
-    }
-    c = y / 100;
-    y = y % 100;
-    d = day;
-
-    int w = (y + y/4 + c/4 - 2*c + (26*(m+1))/10 + d - 1) % 7;
-    if (w < 0)
-        w += 7;
-    
-    w = w % 7;
-    return w;
-}
-
-int main(void)
-{
-    int target_year, target_month, target_day;
-    // 星期映射表：索引0=星期日，1=星期一...6=星期六
-    char *weekdays[] = {"星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"};
-    
-    while(1)
-    {
-        printf("依次输入 年 月 日（需晚于%d年%d月%d日）：", BASE_YEAR, BASE_MONTH, BASE_DAY);
-        scanf("%d%d%d", &target_year, &target_month, &target_day);
-
-        // 输入合法性校验
-        if (target_year < BASE_YEAR)
-        {
-            printf("年份应在%d年及之后！\n", BASE_YEAR);
-            continue;
-        }
-        if (target_month < 1 || target_month > 12)
-        {
-            printf("月份输入错误，请输入1-12之间的数字！\n");
-            continue;
-        }
-        int days_of_month = get_month_days(target_year, target_month);
-        if (target_day < 1 || target_day > days_of_month)
-        {
-            printf("%d年%d月没有%d日！\n", target_year, target_month, target_day);
-            continue;
-        }
-        if (target_year == BASE_YEAR)
-        {
-            if (target_month < BASE_MONTH || 
-                (target_month == BASE_MONTH && target_day < BASE_DAY))
-            {
-                printf("日期需晚于%d年%d月%d日！\n", BASE_YEAR, BASE_MONTH, BASE_DAY);
-                continue;
-            }
-        }
-
-        // 计算天数差
-        int total_days = calculate_days_diff(BASE_YEAR, BASE_MONTH, BASE_DAY,
-                                            target_year, target_month, target_day);
-        
-        // 用蔡勒公式计算星期几
-        int weekday = zeller_calc_weekday(target_year, target_month, target_day);
-
-        // 输出结果
-        printf("%d年%d月%d日，距%d年%d月%d日共%d天\n", 
-               target_year, target_month, target_day,
-               BASE_YEAR, BASE_MONTH, BASE_DAY, total_days);
-        // 显示星期几
-        printf("%d年%d月%d日 是 %s\n", target_year, target_month, target_day, weekdays[weekday]);
-
-        printf("------------------------------------------------------\n");
-    }
-        
-    return 0;
-}
\ No newline at end of file
diff --git a/Article/YueQian/Homework/1.19-已完成.md b/Article/YueQian/Homework/1.19-已完成.md
index e69de29..1f2b81d 100644
--- a/Article/YueQian/Homework/1.19-已完成.md
+++ b/Article/YueQian/Homework/1.19-已完成.md
@@ -0,0 +1 @@
+1. 
\ No newline at end of file