diff --git a/problems/0707.设计链表.md b/problems/0707.设计链表.md
index 614bb36e..b82a645e 100644
--- a/problems/0707.设计链表.md
+++ b/problems/0707.设计链表.md
@@ -157,7 +157,7 @@ private:
 ## 其他语言版本
 C:
 ```C
-typedef struct {
+typedef struct MyLinkedList {
     int val;
     struct MyLinkedList* next;
 }MyLinkedList;
@@ -233,7 +233,7 @@ void myLinkedListDeleteAtIndex(MyLinkedList* obj, int index) {
         MyLinkedList *tmp = obj->next;
         if (tmp != NULL){
             obj->next = tmp->next;
-            free(tmp)     
+            free(tmp);     
         }
         return;
     }