diff --git a/src/person_name/extract_name_with_pinyinlist.py b/src/person_name/extract_name_with_pinyinlist.py
index c7c1025..908aef4 100644
--- a/src/person_name/extract_name_with_pinyinlist.py
+++ b/src/person_name/extract_name_with_pinyinlist.py
@@ -1,5 +1,6 @@
 import itertools
 import random
+from concurrent.futures import ThreadPoolExecutor
 
 import xlsxwriter
 
@@ -11,7 +12,7 @@ from src.utils.generate_random_passport_id import get_random_passport_id_number
 
 def get_ordered_combins(stuff):
     list_to_return = []
-    for i, j in itertools.combinations(range(len(stuff) + 1), 2):
+    for i, j in itertools.combinations(range(len(stuff) + 3), 2):
         print(stuff[i:j])
         list_to_return.append(stuff[i:j])
     return list_to_return
@@ -43,18 +44,25 @@ def generate_name_from_email(mail_address, pinyin_name_list):
     # key_words = HanLP.extractKeyword(mail_address, 2)
     # print(key_words)
     # setence = "".join(key_words)
+    print("generate for " + mail_address)
     all_combins = get_ordered_combins(mail_address)
     for i in all_combins:
         word_to_test = "".join(i)
-        if len(word_to_test) >= 3:
+        if len(word_to_test) >= 5:
             # print("word to test is " + word_to_test)
             for name in pinyin_name_list:
                 last_name = name.split(" ")[0]
                 first_name = name.split(" ")[-1]
+                full_name = last_name + first_name
+                full_name_inverse = first_name + last_name
                 if word_to_test in last_name:
                     return last_name, first_name
                 elif word_to_test in first_name:
                     return last_name, first_name
+                elif word_to_test in full_name:
+                    return last_name, first_name
+                elif word_to_test in full_name_inverse:
+                    return last_name, first_name
 
     # 选择不重复的
     # if len(pinyin_name_list) > 3:
@@ -88,21 +96,28 @@ def write_new_contacts_to_excel(valid_contacts: list):
     workbook.close()
 
 
+def find_contact(generate_contacts: list, mail):
+    contact = ContactPojo(mail=mail.mail, phone_number="", passport_number="", last_name="", first_name="")
+    spliteed = mail.mail.split("@")
+    possible_name_list = generate_name_from_email(spliteed[0], pinyin_name_list)
+    if possible_name_list is not None:
+        contact.last_name = possible_name_list[0]
+        contact.first_name = possible_name_list[1]
+    if len(contact.last_name) > 0 and len(contact.first_name) > 0:
+        generate_contacts.append(contact)
+
+
 if __name__ == '__main__':
     db_manager = MongoDbManager()
-    mail_list = db_manager.get_destination_emails()[101:1000]
+    mail_list = db_manager.get_destination_emails()[5000:6000]
     # mail_list = db_manager.get_destination_emails()[3001:3200]
     # mail_list = db_manager.get_destination_emails()[50:200]
     generate_contacts = []
     pinyin_name_list = read_pinyin_list_from_file()
     random.shuffle(pinyin_name_list)
-    for mail in mail_list:
-        contact = ContactPojo(mail=mail.mail, phone_number="", passport_number="", last_name="", first_name="")
-        spliteed = mail.mail.split("@")
-        possible_name_list = generate_name_from_email(spliteed[0], pinyin_name_list)
-        if possible_name_list is not None:
-            contact.last_name = possible_name_list[0]
-            contact.first_name = possible_name_list[1]
-        if len(contact.last_name) > 0 and len(contact.first_name) > 0:
-            generate_contacts.append(contact)
+    with ThreadPoolExecutor(max_workers=200) as executor:
+        for mail in mail_list:
+            executor.submit(find_contact, generate_contacts, mail)
+    # for mail in mail_list:
+    #     find_contact(generate_contacts, mail)
     write_new_contacts_to_excel(generate_contacts)