diff --git a/doc/Software_design_and_modeling/~$设计规格说明书-选修课选课系统.doc b/doc/Software_design_and_modeling/~$设计规格说明书-选修课选课系统.doc
new file mode 100644
index 0000000..af2da45
Binary files /dev/null and b/doc/Software_design_and_modeling/~$设计规格说明书-选修课选课系统.doc differ
diff --git a/doc/Software_design_and_modeling/~WRL0001.tmp b/doc/Software_design_and_modeling/~WRL0001.tmp
new file mode 100644
index 0000000..398afb9
Binary files /dev/null and b/doc/Software_design_and_modeling/~WRL0001.tmp differ
diff --git a/doc/Software_design_and_modeling/软件设计规格说明书-选修课选课系统.doc b/doc/Software_design_and_modeling/软件设计规格说明书-选修课选课系统.doc
index 398afb9..5915d04 100644
Binary files a/doc/Software_design_and_modeling/软件设计规格说明书-选修课选课系统.doc and b/doc/Software_design_and_modeling/软件设计规格说明书-选修课选课系统.doc differ