modify

b677d28c · 宋海霞 · 352bc4e9 · b677d28c · b677d28c · b677d28c
--- a/app-manual.md
+++ b/app-manual.md
--- a/img/1.png
+++ b/img/1.png
--- a/img/10.png
+++ b/img/10.png
--- a/img/2.png
+++ b/img/2.png
--- a/img/3.png
+++ b/img/3.png
--- a/img/4.png
+++ b/img/4.png
--- a/img/5.png
+++ b/img/5.png
--- a/img/6.png
+++ b/img/6.png
--- a/img/7.png
+++ b/img/7.png
--- a/img/8.png
+++ b/img/8.png
--- a/img/9.png
+++ b/img/9.png