diff --git a/IntroductionToNumpy/task04 数学函数及逻辑函数/test.txt b/IntroductionToNumpy/task04 数学函数及逻辑函数/test.txt
new file mode 100644
index 0000000..56a6051
--- /dev/null
+++ b/IntroductionToNumpy/task04 数学函数及逻辑函数/test.txt	
@@ -0,0 +1 @@
+1
\ No newline at end of file