diff --git "a/myNotes/12-\347\224\265\345\255\220\350\257\215\345\205\270/DAY02/requirements.txt" "b/myNotes/12-\347\224\265\345\255\220\350\257\215\345\205\270/DAY02/requirements.txt"
old mode 100755
new mode 100644
index effc0a8..58d236d
--- "a/myNotes/12-\347\224\265\345\255\220\350\257\215\345\205\270/DAY02/requirements.txt"
+++ "b/myNotes/12-\347\224\265\345\255\220\350\257\215\345\205\270/DAY02/requirements.txt"
@@ -42,7 +42,7 @@ pep8==1.7.0
 pexpect==4.0.1
 Pillow==3.1.2
 plainbox==0.25
-psutil==3.4.2
+psutil==5.6.6
 ptyprocess==0.5
 pyasn1==0.1.9
 pycrypto==2.6.1