diff --git a/周新忠学习笔记/3.28/1.jpg b/周新忠学习笔记/3.28/1.jpg
deleted file mode 100644
index 17112ef..0000000
Binary files a/周新忠学习笔记/3.28/1.jpg and /dev/null differ
diff --git a/周新忠学习笔记/3.28/2.jpg b/周新忠学习笔记/3.28/2.jpg
deleted file mode 100644
index d30a27c..0000000
Binary files a/周新忠学习笔记/3.28/2.jpg and /dev/null differ
diff --git a/周新忠学习笔记/3.28/3.jpg b/周新忠学习笔记/3.28/3.jpg
deleted file mode 100644
index ab9bfd7..0000000
Binary files a/周新忠学习笔记/3.28/3.jpg and /dev/null differ
diff --git a/周新忠学习笔记/3.28/4.jpg b/周新忠学习笔记/3.28/4.jpg
deleted file mode 100644
index e4ff07a..0000000
Binary files a/周新忠学习笔记/3.28/4.jpg and /dev/null differ
diff --git a/周新忠学习笔记/3.28/5.jpg b/周新忠学习笔记/3.28/5.jpg
deleted file mode 100644
index cda6238..0000000
Binary files a/周新忠学习笔记/3.28/5.jpg and /dev/null differ
diff --git a/周新忠学习笔记/3.28/6.jpg b/周新忠学习笔记/3.28/6.jpg
deleted file mode 100644
index f60dfe6..0000000
Binary files a/周新忠学习笔记/3.28/6.jpg and /dev/null differ
diff --git a/周新忠学习笔记/3.28/7.jpg b/周新忠学习笔记/3.28/7.jpg
deleted file mode 100644
index 4621d5d..0000000
Binary files a/周新忠学习笔记/3.28/7.jpg and /dev/null differ