diff --git a/src/utils/captcha_tools.py b/src/utils/captcha.py
similarity index 100%
rename from src/utils/captcha_tools.py
rename to src/utils/captcha.py
diff --git a/src/utils/common_tools.py b/src/utils/common.py
similarity index 81%
rename from src/utils/common_tools.py
rename to src/utils/common.py
index f146a4b..a210059 100644
--- a/src/utils/common_tools.py
+++ b/src/utils/common.py
@@ -13,7 +13,16 @@ def verify_password(plain_password, hashed_password):
 
 def get_password_hash(password):
     return pwd_context.hash(password)
-    
+
+def get_total_pages(total, limit):
+    """
+    获取总页数
+    :param total:
+    :param limit:
+    :return:
+    """
+    s = total / limit if total % limit == 0 else total / limit + 1
+    return round(s)        
 
 def create_batch():
     """创建批号"""
diff --git a/src/utils/exception_tools.py b/src/utils/exception.py
similarity index 100%
rename from src/utils/exception_tools.py
rename to src/utils/exception.py
diff --git a/src/utils/file_upload_tools.py b/src/utils/file_upload.py
similarity index 100%
rename from src/utils/file_upload_tools.py
rename to src/utils/file_upload.py
diff --git a/src/utils/sms_tools.py b/src/utils/sms.py
similarity index 100%
rename from src/utils/sms_tools.py
rename to src/utils/sms.py