diff --git a/app.py b/app.py
index 611d1e2..1adace4 100644
--- a/app.py
+++ b/app.py
@@ -3,7 +3,7 @@ from flask import Flask
 # load_dotenv()
 import os
 from sqlalchemy import create_engine
-from pgclass import Base, SQLarticle
+from pgclass import Base
 # blueprints
 from blueprints.article import article
 
@@ -23,7 +23,6 @@ Base.metadata.create_all(engine)
 class shared():
     def __init__(self, engine):
         self.engine = engine
-        self.SQLarticle = SQLarticle
 sh = shared(engine)
 
 # flask app
@@ -37,7 +36,7 @@ app.register_blueprint(article, url_prefix = "/article")
 # index
 @app.route("/", methods = ["GET", "POST"])
 def index():
-    return "Hello, World!"
+    return "Hello! World!<br>Shirakami Fubuki: cutest fox!!!"
 
 # app run
 if __name__ == "__main__":
diff --git a/blueprints/article.py b/blueprints/article.py
index 880885c..f350fc5 100644
--- a/blueprints/article.py
+++ b/blueprints/article.py
@@ -1,14 +1,15 @@
 from flask import Blueprint, current_app, request, jsonify
 import hashlib
 import time
+import logger
 from sqlalchemy.orm import sessionmaker
 from sqlalchemy import desc
+import pgclass
 
 """
 TODO:
 - Image & Video
 - IG post
-- LOG
 """
 
 article = Blueprint('article', __name__)
@@ -26,7 +27,7 @@ def listing():
     session = Session()
 
     # get ctx
-    table = current_app.shared_resource.SQLarticle
+    table = pgclass.SQLarticle
     res = session.query(table.id, table.ctx, table.igid, table.created_at, table.mark).order_by(desc(table.id)).filter(table.mark == 'visible').offset(rst).limit(count).all()
 
     # mapping
@@ -42,7 +43,7 @@ def getarticle(id:int):
     session = Session()
 
     # get ctx
-    table = current_app.shared_resource.SQLarticle
+    table = pgclass.SQLarticle
     res = session.query(table.id, table.ctx, table.igid, table.created_at, table.mark).filter(table.id == id).filter(table.mark == 'visible').all()
 
     # mapping
@@ -59,7 +60,7 @@ def posting():
 
     # content
     ctx = str(request.json["ctx"])
-    if ctx is None: return "No brain no content"
+    if ctx is None: return "no content"
 
     # hash
     seed = ctx + str(time.time())
@@ -73,17 +74,22 @@ def posting():
     # mark
     mark = "visible"
 
-    # pg commit
-    table = current_app.shared_resource.SQLarticle
+    # posting
+    table = pgclass.SQLarticle
     data = table(hash = hash, ctx = ctx, igid = igid, mark = mark)
     session.add(data)
+
+    # commit
     session.commit()
 
     # pg getdata
-    res = session.query(table.id, table.ctx, table.igid, table.created_at, table.mark).filter(table.hash == hash).all()
-    res = [ {"id":r[0], "ctx":r[1], "igid":r[2], "created_at":r[3], "mark":r[4]} for r in res ]
-
+    res = session.query(table.id, table.ctx, table.igid, table.created_at, table.mark, table.hash).filter(table.hash == hash).all()
+    res = [ {"id":r[0], "ctx":r[1], "igid":r[2], "created_at":r[3], "mark":r[4], "hash":r[5]} for r in res ]
     session.close()
+
+    # logger
+    logger.logger(db, "newpost", "Insert (id=%d): posts"%(res[0]["id"]))
+    
     return jsonify(res)
 
 # 只有發文者可以看到的獲取指定文章
@@ -93,7 +99,7 @@ def owner_getarticle(sha256:str):
     db = current_app.shared_resource.engine
     Session = sessionmaker(bind=db)
     session = Session()
-    table = current_app.shared_resource.SQLarticle
+    table = pgclass.SQLarticle
 
     # 獲取指定文章
     if request.method == "GET":
@@ -102,9 +108,13 @@ def owner_getarticle(sha256:str):
         return jsonify(res)
     # 刪除指定文章
     elif request.method == "DELETE":
+        # delete
         res = session.query(table).filter(table.hash == sha256).first()
         session.delete(res)
+        # commit
         session.commit()
+        # logger
+        logger.logger(db, "delpost", "Delete (id=%d): posts"%(res.id))
         return "OK", 200
 
     session.close()
\ No newline at end of file
diff --git a/logger.py b/logger.py
new file mode 100644
index 0000000..6bd89e0
--- /dev/null
+++ b/logger.py
@@ -0,0 +1,23 @@
+import pgclass
+from sqlalchemy.orm import sessionmaker
+
+def logger(engine, type, message):
+    Session = sessionmaker(bind=engine)
+    session = Session()
+    table = pgclass.SQLlog
+
+    flag = False
+    # new post & del post
+    if type == "newpost" or type == "delpost":
+        flag = True
+        log = table(source = "general", message = message)
+    
+    # session.add
+    if flag:
+        session.add(log)
+        session.commit()
+    
+    # session.close
+    session.close()
+    
+    
\ No newline at end of file
diff --git a/pgclass.py b/pgclass.py
index 902f21a..cb26079 100644
--- a/pgclass.py
+++ b/pgclass.py
@@ -14,4 +14,15 @@ class SQLarticle(Base):
     mark = Column(String)
 
     def __repr__(self):
-        return f"<article(id={self.id}, hash={self.hash}, ctx={self.ctx}, igid={self.igid}, mark={self.mark}, created_at={self.created_at})>"
\ No newline at end of file
+        return f"<article(id={self.id}, hash={self.hash}, ctx={self.ctx}, igid={self.igid}, mark={self.mark}, created_at={self.created_at})>"
+
+class SQLlog(Base):
+    __tablename__ = 'logs'
+    
+    id = Column(Integer, primary_key=True)
+    created_at = Column(TIMESTAMP(timezone=True), server_default=func.now())
+    message = Column(String)
+    source = Column(String)
+
+    def __repr__(self):
+        return f"<article(id={self.id}, created_at={self.created_at}, message={self.message}, source={self.source})>"
\ No newline at end of file