diff --git a/.vscode/settings.json b/.vscode/settings.json
index 91cc975..dfb96c5 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,7 +1,7 @@
 {
   "editor.formatOnSave": true,
   "editor.codeActionsOnSave": {
-    "source.fixAll": true
+    "source.fixAll": "explicit"
   },
   "markdownlint.config": {
     "MD033": false
diff --git a/PINOUT/SPI-24PIN.md b/PINOUT/SPI-24PIN.md
index 534d384..5388213 100644
--- a/PINOUT/SPI-24PIN.md
+++ b/PINOUT/SPI-24PIN.md
@@ -2,7 +2,7 @@
 
 ## Reference design
 
-- <http://pmoc98298.pic37.websiteonline.cn/upload/DESPI-C01-sch-V11.pdf>
+- [DESPI-C01_SCH.pdf](../schematics/DESPI-C01_SCH.pdf)
 - <https://github.com/MarvelousBlack/epd2spi>
 - <https://oshwhub.com/ludas/mo-shui-ping-qu-dong>
 - <https://www.waveshare.com/w/upload/5/57/2.13inch_e-Paper_HAT_Schematic.pdf>
diff --git a/PINOUT/SPI-30PIN.md b/PINOUT/SPI-30PIN.md
index 2da49db..87d1582 100644
--- a/PINOUT/SPI-30PIN.md
+++ b/PINOUT/SPI-30PIN.md
@@ -6,7 +6,7 @@
 
 ## Reference design
 
-- <https://cetest02.cn-bj.ufileos.com/100001_1909185148/DESPI-C102_SCH%20V1.0.pdf>
+- [DESPI-C102_SCH.pdf](../schematics/DESPI-C102_SCH.pdf)
 
 ## Connector
 
diff --git a/PINOUT/SPI-60PIN.md b/PINOUT/SPI-60PIN.md
index 02097d2..f7b66a1 100644
--- a/PINOUT/SPI-60PIN.md
+++ b/PINOUT/SPI-60PIN.md
@@ -6,7 +6,7 @@
 
 ## Reference design
 
-- <https://v4.cecdn.yun300.cn/100001_1909185148/DESPI-C1248_SCH%20V1.0.pdf>
+- [DESPI-C1248_SCH.pdf](../schematics/DESPI-C1248_SCH.pdf)
 
 ## Connector
 
@@ -49,7 +49,6 @@
 
 [bs1]: SPI-24PIN.md#bs1
 [busy]: SPI-24PIN.md#busy
-[csn]: SPI-24PIN.md#csn
 [dcn]: SPI-24PIN.md#dcn
 [rese]: SPI-24PIN.md#rese
 [resn]: SPI-24PIN.md#resn
diff --git a/schematics/DESPI-C01_SCH.pdf b/schematics/DESPI-C01_SCH.pdf
new file mode 100644
index 0000000..76d5444
Binary files /dev/null and b/schematics/DESPI-C01_SCH.pdf differ
diff --git a/schematics/DESPI-C102_SCH.pdf b/schematics/DESPI-C102_SCH.pdf
new file mode 100644
index 0000000..20d8d50
Binary files /dev/null and b/schematics/DESPI-C102_SCH.pdf differ
diff --git a/schematics/DESPI-C1248_SCH.pdf b/schematics/DESPI-C1248_SCH.pdf
new file mode 100644
index 0000000..0c1227f
Binary files /dev/null and b/schematics/DESPI-C1248_SCH.pdf differ