diff --git a/Test4.py b/Test4.py
new file mode 100644
index 0000000..4329ac0
--- /dev/null
+++ b/Test4.py
@@ -0,0 +1,17 @@
+def write_config():
+    print("新人脸训练结束")
+    f = open('config.txt', "a")
+    T = Total_face_num
+    f.write(str(T) + " User" + str(T) + " \n")
+    f.close()
+    id_dict[T] = "User" + str(T)
+
+    # 这里修改文件的方式是先读入内存，然后修改内存中的数据，最后写回文件
+    f = open('config.txt', 'r+')
+    flist = f.readlines()
+    flist[0] = str(int(flist[0]) + 1) + " \n"
+    f.close()
+
+    f = open('config.txt', 'w+')
+    f.writelines(flist)
+    f.close()