diff --git a/etc/requirements.txt b/etc/requirements.txt
index 6ff7e76898b37c778aa604fd15544fd86c654e52..51d7cdfad3b9e0189737008c3eb89c93edaebba5 100644
--- a/etc/requirements.txt
+++ b/etc/requirements.txt
@@ -75,7 +75,6 @@ Pillow==8.2.0
 pip-licenses==3.3.1
 pip-tools==6.1.0
 pipenv==2020.11.15
-pkg-resources==0.0.0
 plantuml==0.3.0
 plantuml-gentools==0.1.2
 plantuml-markdown==3.4.2
diff --git a/requirements/dev.in b/requirements/dev.in
index 7a215654dc888420f6eb34fefdaff3626c30ad56..d5922ba9caae7577c166dddc79dc7f2e69bf1afc 100644
--- a/requirements/dev.in
+++ b/requirements/dev.in
@@ -11,6 +11,8 @@ celery[redis]>=5.0.5
 SQLAlchemy>=1.4.15
 memcache>=0.5.1
 mysql-connector-python>=8.0.25
+mysqlclient>=2.0.3
+Flask-MySQLPooled>=0.1.1
 # psycopg2-binary>=2.8.6
 wget>=3.2
 pyecharts>=1.9.0