diff --git a/model/删除.eddx b/model/删除.eddx
new file mode 100644
index 0000000..186c549
Binary files /dev/null and b/model/删除.eddx differ
diff --git a/model/录制.eddx b/model/录制.eddx
new file mode 100644
index 0000000..7470c30
Binary files /dev/null and b/model/录制.eddx differ
diff --git a/model/播放.eddx b/model/播放.eddx
new file mode 100644
index 0000000..b127d4a
Binary files /dev/null and b/model/播放.eddx differ
diff --git a/model/用例图.eddx b/model/用例图.eddx
new file mode 100644
index 0000000..b283d67
Binary files /dev/null and b/model/用例图.eddx differ
diff --git a/other/答辩ppt.pptx b/other/答辩ppt.pptx
new file mode 100644
index 0000000..cfe45c1
Binary files /dev/null and b/other/答辩ppt.pptx differ
diff --git a/src/实验七代码.zip b/src/实验七代码.zip
new file mode 100644
index 0000000..30b2434
Binary files /dev/null and b/src/实验七代码.zip differ