diff --git a/C/.idea/encodings.xml b/C/.idea/encodings.xml
new file mode 100644
index 0000000..435e954
--- /dev/null
+++ b/C/.idea/encodings.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding">
+    <file url="file://$PROJECT_DIR$/T1/main.c" charset="GBK" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/C/T1/main.c b/C/T1/main.c
index c95d869..d3e0fc1 100644
--- a/C/T1/main.c
+++ b/C/T1/main.c
@@ -3,35 +3,35 @@
 #include <stdlib.h>
 
 bool canWinNim(int n) {
-    // 如果石头数量是4的倍数，先手必输
-    // 否则先手必胜
+    // ���ʯͷ������4�ı��������ֱ���
+    // �������ֱ�ʤ
     return n % 4 != 0;
 }
 
 int main(void) {
-    // 测试用例1: n = 4, 期望输出: false
+    // ��������1: n = 4, �������: false
     int n1 = 4;
     bool result1 = canWinNim(n1);
-    printf("石头数量 %d: %s\n", n1, result1 ? "true (能赢)" : "false (不能赢)");
+    printf("ʯͷ���� %d: %s\n", n1, result1 ? "true (��Ӯ)" : "false (����Ӯ)");
     
-    // 测试用例2: n = 1, 期望输出: true
+    // ��������2: n = 1, �������: true
     int n2 = 1;
     bool result2 = canWinNim(n2);
-    printf("石头数量 %d: %s\n", n2, result2 ? "true (能赢)" : "false (不能赢)");
+    printf("ʯͷ���� %d: %s\n", n2, result2 ? "true (��Ӯ)" : "false (����Ӯ)");
     
-    // 测试用例3: n = 2, 期望输出: true
+    // ��������3: n = 2, �������: true
     int n3 = 2;
     bool result3 = canWinNim(n3);
-    printf("石头数量 %d: %s\n", n3, result3 ? "true (能赢)" : "false (不能赢)");
+    printf("ʯͷ���� %d: %s\n", n3, result3 ? "true (��Ӯ)" : "false (����Ӯ)");
     
-    // 额外测试用例
+    // �����������
     int n4 = 3;
     bool result4 = canWinNim(n4);
-    printf("石头数量 %d: %s\n", n4, result4 ? "true (能赢)" : "false (不能赢)");
+    printf("ʯͷ���� %d: %s\n", n4, result4 ? "true (��Ӯ)" : "false (����Ӯ)");
     
     int n5 = 5;
     bool result5 = canWinNim(n5);
-    printf("石头数量 %d: %s\n", n5, result5 ? "true (能赢)" : "false (不能赢)");
+    printf("ʯͷ���� %d: %s\n", n5, result5 ? "true (��Ӯ)" : "false (����Ӯ)");
     
     return 0;
 }
diff --git a/C/main.exe b/C/main.exe
index 567f2f3..225f914 100644
Binary files a/C/main.exe and b/C/main.exe differ