diff --git a/Routes/User/TFSECompanyUserRoute.py b/Routes/User/TFSECompanyUserRoute.py
index c1e8f29..49df945 100644
--- a/Routes/User/TFSECompanyUserRoute.py
+++ b/Routes/User/TFSECompanyUserRoute.py
@@ -2,7 +2,7 @@ from flask import Blueprint, request, Response
 
 from Implements.User.RealCompanyVerifyImpl import UploadMaterialImpl, RealCompanyVerifyImpl
 from Implements.User.TFSECompanyUserImpl import TFSECompanyUserImpl
-from common.rsa import decrypt_data
+from Utils.RSAUtil import decrypt_data
 from Utils.AuthUtil import check_block, verify_token
 from Utils.ErrorUtil import ReturnConditionCheckFailed
 
diff --git a/Utils/AuthUtil.py b/Utils/AuthUtil.py
index 27d2257..3d2b951 100644
--- a/Utils/AuthUtil.py
+++ b/Utils/AuthUtil.py
@@ -5,7 +5,7 @@ from flask import request
 from itsdangerous import TimedJSONWebSignatureSerializer as Serializer, BadSignature, SignatureExpired
 
 from DBHelper.MongoHelper import MongoHelper
-from common.rsa import decrypt_data
+from Utils.RSAUtil import decrypt_data
 
 
 def create_token(param):
diff --git a/common/rsa.py b/Utils/RSAUtil.py
similarity index 100%
rename from common/rsa.py
rename to Utils/RSAUtil.py
diff --git a/common/static/rsa/rsa_private_key.pem b/Utils/static/rsa/rsa_private_key.pem
similarity index 100%
rename from common/static/rsa/rsa_private_key.pem
rename to Utils/static/rsa/rsa_private_key.pem
diff --git a/common/static/rsa/rsa_public_key.pem b/Utils/static/rsa/rsa_public_key.pem
similarity index 100%
rename from common/static/rsa/rsa_public_key.pem
rename to Utils/static/rsa/rsa_public_key.pem
diff --git a/common/__init__.py b/common/__init__.py
deleted file mode 100644
index e69de29..0000000