diff --git a/02 Deep Learning/课件/optimizer-v4.pdf b/02 Deep Learning/课件/optimizer-v4.pdf
new file mode 100644
index 0000000..a15b1fa
Binary files /dev/null and b/02 Deep Learning/课件/optimizer-v4.pdf differ
diff --git a/02 Deep Learning/课件/optimizer-v4.pptx b/02 Deep Learning/课件/optimizer-v4.pptx
new file mode 100644
index 0000000..d4271e4
Binary files /dev/null and b/02 Deep Learning/课件/optimizer-v4.pptx differ
diff --git a/02 Deep Learning/课件/overfit-v6.pdf b/02 Deep Learning/课件/overfit-v6.pdf
new file mode 100644
index 0000000..f97daff
Binary files /dev/null and b/02 Deep Learning/课件/overfit-v6.pdf differ
diff --git a/02 Deep Learning/课件/overfit-v6.pptx b/02 Deep Learning/课件/overfit-v6.pptx
new file mode 100644
index 0000000..dd274ae
Binary files /dev/null and b/02 Deep Learning/课件/overfit-v6.pptx differ
diff --git a/02 Deep Learning/课件/small-gradient-v7.pdf b/02 Deep Learning/课件/small-gradient-v7.pdf
new file mode 100644
index 0000000..27ef132
Binary files /dev/null and b/02 Deep Learning/课件/small-gradient-v7.pdf differ
diff --git a/02 Deep Learning/课件/small-gradient-v7.pptx b/02 Deep Learning/课件/small-gradient-v7.pptx
new file mode 100644
index 0000000..a9c1a2a
Binary files /dev/null and b/02 Deep Learning/课件/small-gradient-v7.pptx differ