diff --git a/W3/AI协作说明.doc b/W3/AI协作说明.doc new file mode 100644 index 0000000..fe51e9b Binary files /dev/null and b/W3/AI协作说明.doc differ diff --git a/W3/BankAccount.txt b/W3/BankAccount.txt new file mode 100644 index 0000000..e69de29