Merge branch 'fix' into 'master'

Fix See merge request !1

Merge branch 'fix' into 'master'
f353f82f · 赵鹏翀 · 5a0f5396 · 418f7df4 · f353f82f · f353f82f
--- a/74LS138.dlsche
+++ b/74LS138.dlsche
--- a/74LS138.dlsche.svg
+++ b/74LS138.dlsche.svg
--- a/74LS148.dlsche
+++ b/74LS148.dlsche
--- a/74LS148.dlsche.svg
+++ b/74LS148.dlsche.svg
--- a/74LS48.dlsche
+++ b/74LS48.dlsche
--- a/74LS48.dlsche.svg
+++ b/74LS48.dlsche.svg
--- a/README.md
+++ b/README.md
 # 实验名称
 编码器和译码器
 # 原理图
-![raw svg](74LS138.dlsche.svg)
+![raw svg](74LS148.dlsche.svg)
-![raw svg](74LS148.dlsche.svg)
+---
-![raw svg](74LS48.dlsche.svg)
+![raw svg](74LS138.dlsche.svg)
+---
+![raw svg](74LS48.dlsche.svg)
+---
 ![raw svg](tristate.dlsche.svg)
\ No newline at end of file
--- a/tristate.dlsche
+++ b/tristate.dlsche
--- a/tristate.dlsche.svg
+++ b/tristate.dlsche.svg