diff --git a/app.py b/app.py
index 9fc9323..5dfc7f0 100644
--- a/app.py
+++ b/app.py
@@ -1,6 +1,6 @@
 import os
 
-from flask import Flask, jsonify
+from flask import Flask
 from bcrypt import checkpw, gensalt, hashpw
 from sqlalchemy import create_engine
 
@@ -21,9 +21,9 @@ PLATFORM_ROOT_PASSWORD = os.getenv("PLATFORM_ROOT_PASSWORD", None)
 
 # env checker
 errmsg = []
-if JWT_KEY is None or len(JWT_KEY) == 0: 
+if JWT_KEY is None or len(JWT_KEY) == 0:
     errmsg.append("Invalid JWT_KEY")
-if PLATFORM_ROOT_PASSWORD is None or len(PLATFORM_ROOT_PASSWORD) == 0: 
+if PLATFORM_ROOT_PASSWORD is None or len(PLATFORM_ROOT_PASSWORD) == 0:
     errmsg.append("Invalid PLATFORM_ROOT_PASSWORD")
 if len(errmsg):
     print(f"Env check failed: {errmsg}")
@@ -71,4 +71,4 @@ def index():
 
 # app run
 if __name__ == "__main__":
-    app.run(host="0.0.0.0", port=5000, debug=False)
\ No newline at end of file
+    app.run(host="0.0.0.0", port=5000, debug=False)
diff --git a/blueprints/admin.py b/blueprints/admin.py
index 4993b92..4b5ba56 100644
--- a/blueprints/admin.py
+++ b/blueprints/admin.py
@@ -235,7 +235,7 @@ def setting_get():
 @admin.route("/setting", methods=["POST"])
 @role_required(["setting.edit"])
 def setting_edit():
-    opuser = g.opuser
+    opuser = g.opuser.user
 
     req = request.json
     d = None
diff --git a/blueprints/log.py b/blueprints/log.py
index 18b4558..b2e1953 100644
--- a/blueprints/log.py
+++ b/blueprints/log.py
@@ -12,7 +12,7 @@ log = Blueprint('log', __name__)
 def listlog():
     # variables
     if request.args.get("start") is None or request.args.get("count") is None or \
-        request.args.get("start").isdigit()==False or request.args.get("count").isdigit()==False: 
+            not request.args.get("start").isdigit() or not request.args.get("count").isdigit(): 
         return error("Arguments error"), 400
     rst = int(request.args.get("start"))
     count = int(request.args.get("count"))
diff --git a/settings.json b/settings.json
index 6171670..6071926 100644
--- a/settings.json
+++ b/settings.json
@@ -1 +1 @@
-{"Check_Before_Post": true, "JWT_Valid_Time": 604800, "Niming_Max_Word": 500, "Attachment_Count": 5, "Attachment_Size": 209715200, "Allowed_MIME": ["image/jpeg", "image/pjpeg", "image/png", "image/heic", "image/heif", "video/mp4", "video/quicktime", "video/hevc", "image/gif", "image/webp"]}
\ No newline at end of file
+{"Check_Before_Post": false, "JWT_Valid_Time": 604800, "Niming_Max_Word": 500, "Attachment_Count": 5, "Attachment_Size": 209715200, "Allowed_MIME": ["image/jpeg", "image/pjpeg", "image/png", "image/heic", "image/heif", "video/mp4", "video/quicktime", "video/hevc", "image/gif", "image/webp"]}
\ No newline at end of file
diff --git a/utils/dbhelper.py b/utils/dbhelper.py
index 7ddb00a..6926f1b 100644
--- a/utils/dbhelper.py
+++ b/utils/dbhelper.py
@@ -11,12 +11,12 @@ class db:
     _engine = None
 
     @classmethod
-    def __init__(self, engine):
-        self._engine = engine
+    def __init__(cls, engine):
+        cls._engine = engine
 
     @classmethod
-    def getsession(self):
-        Session = sessionmaker(bind=self._engine)
+    def getsession(cls):
+        Session = sessionmaker(bind=cls._engine)
         return Session()
 
 # role (general) (owner) (admin)
@@ -56,7 +56,7 @@ def solo_article_fetcher(role:str, key) -> Tuple[Dict,int]: # admin, owner, gene
 def multi_article_fetcher(role:str, start:str, count:str) -> Tuple[Response, int]: # general, admin
     # checker
     if start is None or count is None or \
-            start.isdigit()==False or count.isdigit()==False: 
+            not start.isdigit() or not count.isdigit(): 
         return error("Arguments error"), 400
     start = int(start)
     count = int(count)
diff --git a/utils/ighelper.py b/utils/ighelper.py
index b2725f2..c4971b2 100644
--- a/utils/ighelper.py
+++ b/utils/ighelper.py
@@ -1,2 +1,2 @@
 def ighelper():
-    pass
\ No newline at end of file
+    pass
diff --git a/utils/logger.py b/utils/logger.py
index cc1f9cf..3a8562d 100644
--- a/utils/logger.py
+++ b/utils/logger.py
@@ -1,21 +1,16 @@
 from utils import pgclass
 from utils.dbhelper import db
-from utils.platform_consts import EVENT_TYPE_GENERAL, EVENT_TYPE_ADMIN, EVENT_TYPE_SERVER
+from utils.platform_consts import EVENT_TYPE
 
 def logger(type, message):
     table = pgclass.SQLlog
 
     flag = False
-    # new post & del post
-    if type in EVENT_TYPE_GENERAL:
-        flag = True
-        log = table(source = "general", message = message)
-    elif type in EVENT_TYPE_ADMIN:
-        flag = True
-        log = table(source = "admin", message = message)
-    elif type in EVENT_TYPE_SERVER:
-        flag = True
-        log = table(source = "server", message = message)
+    for etl in EVENT_TYPE:
+        if type in EVENT_TYPE[etl]:
+            flag = True
+            log = table(source = etl, message = message)
+            break
     
     # session.add
     if flag:
diff --git a/utils/pgclass.py b/utils/pgclass.py
index 74329c9..59f5883 100644
--- a/utils/pgclass.py
+++ b/utils/pgclass.py
@@ -1,4 +1,4 @@
-from sqlalchemy import Column, Integer, String, TIMESTAMP, func, BIGINT, LargeBinary, ARRAY
+from sqlalchemy import Column, String, TIMESTAMP, func, BIGINT, LargeBinary, ARRAY
 from sqlalchemy.ext.declarative import declarative_base
 
 Base = declarative_base()
diff --git a/utils/platform_consts.py b/utils/platform_consts.py
index 4f68ab0..a2337f1 100644
--- a/utils/platform_consts.py
+++ b/utils/platform_consts.py
@@ -3,9 +3,11 @@ PLIST = ["article.read", "article.pend", "article.del", "setting.edit"] # no per
 PLIST_ROOT = PLIST + ["usermgr"]
 
 # event type
-EVENT_TYPE_GENERAL = ["newpost", "delpost"]
-EVENT_TYPE_ADMIN   = ["login", "user.create", "user.delete", "article.delete", "article.pend", "setting.modify"]
-EVENT_TYPE_SERVER  = ["server.start"]
+EVENT_TYPE = {
+    "general": ["newpost", "delpost"], 
+    "admin": ["login", "user.create", "user.delete", "article.delete", "article.pend", "setting.modify"],
+    "server": ["server.start"]
+}
 
 # Platform Setting Model
 PLATFORM_SETTING_MODEL = {