diff --git a/README.md b/README.md
index 4c25cc8..7bdc62e 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,4 @@
 # pythonscript
 自用Python脚本库  
-[check.py](check.py) 校验文件用脚本
+[check.py](check.py) 校验文件用脚本  
+[bdshare.py](bdshare.py) 生成百度网盘标准提取码
diff --git a/bdshare.py b/bdshare.py
new file mode 100644
index 0000000..dc686a7
--- /dev/null
+++ b/bdshare.py
@@ -0,0 +1,54 @@
+# check.py
+# (C) 2020 lifegpc
+# The repo location: https://github.com/lifegpc/pythonscript
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from os.path import exists, getsize, split
+from hashlib import md5
+import sys
+from time import time
+
+limit_size = 256 * 1024
+
+if __name__ == "__main__":
+    if len(sys.argv) > 1:
+        file_list = sys.argv[1:]
+    else:
+        print('未输入文件')
+        exit(-1)
+    e = 1
+    l = len(file_list)
+    for i in file_list:
+        if exists(i):
+            fs = getsize(i)
+            with open(i, 'rb', 1024) as f:
+                md = md5()
+                r = 0
+                t1 = time()
+                t = f.read(1024)
+                while len(t) > 0:
+                    r += len(t)
+                    md.update(t)
+                    if r == limit_size:
+                        md51 = md.hexdigest()
+                    t2 = time()
+                    if t2 > t1 + 1:
+                        t1 = t2
+                        print(f"\r[{e}/{l}]{'%.2f'%(r/fs*100)}%", end='')
+                    t = f.read(1024)
+                md52 = md.hexdigest()
+                if fs < limit_size:
+                    md51 = md52
+                print(f"\r[{e}/{l}]:{md52}#{md51}#{fs}#{split(i)[1]}")
+        e = e + 1