diff --git a/菱形打印.c b/菱形打印.c
index 15328d8..39f5891 100644
--- a/菱形打印.c
+++ b/菱形打印.c
@@ -2,7 +2,7 @@
  
 int main()
 {
-    int i,j,n;
+    int i,j,n,l;
     scanf("%d",&n);
     int k=(n+1)/2;
     for(i=1;i<=k;i++){