diff --git a/2207/C语言同步练习答案.md b/2207/C语言同步练习答案.md
index 2bfd9e0..1928bef 100644
--- a/2207/C语言同步练习答案.md
+++ b/2207/C语言同步练习答案.md
@@ -459,24 +459,113 @@ int main(){
 
 ![image-20250220231704799](https://yp.smallkun.cn/markdown/image-20250220231704799.png!compress)
 
+
+
 ---
 
 ## 函数
 
+### 函数-1
+
+![image-20250227231121624](https://yp.smallkun.cn/markdown/image-20250227231121624.png!compress)
+
+
+
+### 函数-2
+
+![image-20250227231147113](https://yp.smallkun.cn/markdown/image-20250227231147113.png!compress)
+
+
+
+### 函数-3
+
+![image-20250227231154429](https://yp.smallkun.cn/markdown/image-20250227231154429.png!compress)
+
 
 
 ## 指针
 
+### 指针-1
+
+![image-20250227231209008](https://yp.smallkun.cn/markdown/image-20250227231209008.png!compress)
+
+
+
+### 指针-2
+
+![image-20250227231216409](https://yp.smallkun.cn/markdown/image-20250227231216409.png!compress)
+
+
+
+### 指针-3
+
+![image-20250227231232971](https://yp.smallkun.cn/markdown/image-20250227231232971.png!compress)
+
+
+
+### 指针-4
+
+![image-20250227231243197](https://yp.smallkun.cn/markdown/image-20250227231243197.png!compress)
+
 
 
 ## 编译预处理
 
+### 预处理-1
+
+![image-20250227231302316](https://yp.smallkun.cn/markdown/image-20250227231302316.png!compress)
+
+
+
+### 预处理-2
+
+![image-20250227231314793](https://yp.smallkun.cn/markdown/image-20250227231314793.png!compress)
+
+
+
+### 预处理-3
+
+![image-20250227231325297](https://yp.smallkun.cn/markdown/image-20250227231325297.png!compress)
+
 
 
 ## 结构体
 
+### 结构体-1
+
+![image-20250227231339018](https://yp.smallkun.cn/markdown/image-20250227231339018.png!compress)
+
+
+
+### 结构体-2
+
+![image-20250227231421233](https://yp.smallkun.cn/markdown/image-20250227231421233.png!compress)
+
+### 结构体-3
+
+![image-20250227231434183](https://yp.smallkun.cn/markdown/image-20250227231434183.png!compress)
+
 
 
 ## 文件
 
-## 
\ No newline at end of file
+### 文件-1
+
+![image-20250227231459946](https://yp.smallkun.cn/markdown/image-20250227231459946.png!compress)
+
+
+
+
+
+### 文件-2
+
+![image-20250227231509693](https://yp.smallkun.cn/markdown/image-20250227231509693.png!compress)
+
+
+
+### 文件-3
+
+![image-20250227231516025](https://yp.smallkun.cn/markdown/image-20250227231516025.png!compress)
+
+
+