diff --git a/.gitignore b/.gitignore
index 5154178..ddf725b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,5 @@
 !*.*
 !*/
 !.gitignore
-.vscode
\ No newline at end of file
+.vscode
+*.exe
\ No newline at end of file
diff --git a/2207/C语言同步练习/选择结构/1.exe b/2207/C语言同步练习/选择结构/1.exe
deleted file mode 100644
index cbb8e18..0000000
Binary files a/2207/C语言同步练习/选择结构/1.exe and /dev/null differ
diff --git a/2207/C语言同步练习/选择结构/2.exe b/2207/C语言同步练习/选择结构/2.exe
deleted file mode 100644
index 2921ae8..0000000
Binary files a/2207/C语言同步练习/选择结构/2.exe and /dev/null differ
diff --git a/2207/C语言同步练习/选择结构/3.exe b/2207/C语言同步练习/选择结构/3.exe
deleted file mode 100644
index 6456a06..0000000
Binary files a/2207/C语言同步练习/选择结构/3.exe and /dev/null differ
diff --git a/2207/C语言同步练习/选择结构/4.exe b/2207/C语言同步练习/选择结构/4.exe
deleted file mode 100644
index 7c068bf..0000000
Binary files a/2207/C语言同步练习/选择结构/4.exe and /dev/null differ