diff --git a/database/mongodb.py b/database/mongodb.py
new file mode 100644
index 0000000000000000000000000000000000000000..2bc736b4fa467cd00cdf1f55f61af11ecf3ac489
--- /dev/null
+++ b/database/mongodb.py
@@ -0,0 +1,21 @@
+import pymongo
+
+# Replace the uri string with your MongoDB deployment's connection string.
+conn_str = "mongodb://root:123456@192.168.247.135:27017/?authSource=admin"
+# set a 5-second connection timeout
+client = pymongo.MongoClient(conn_str, serverSelectionTimeoutMS=5000)
+try:
+    db = client.admin
+    print(db.name)
+    collection = db['students']
+    student = {
+        'id': '201701014',
+        'name': 'Jordan',
+        'age': 20,
+        'gender': 'male'
+    }
+    result = collection.insert_one(student)
+    print(db['students'].info)
+except Exception as e:
+    print("Unable to connect to the server.")
+    print(f"-{e}")
diff --git a/database/mongodb_request.py b/database/mongodb_request.py
new file mode 100644
index 0000000000000000000000000000000000000000..15de6a2cbae009e736aba1424beb252963f3fea2
--- /dev/null
+++ b/database/mongodb_request.py
@@ -0,0 +1,24 @@
+import requests
+import pymongo
+
+
+class MongodbDataBase:
+    conn_str = "mongodb://root:123456@192.168.247.135:27017/?authSource=admin"
+
+    def __init__(self):
+        self.client = pymongo.MongoClient(self.conn_str, serverSelectionTimeoutMS=5000)
+    try:
+        db = client.admin
+        print(db.name)
+        collection = db['students']
+        student = {
+            'id': '201701014',
+            'name': 'Jordan',
+            'age': 20,
+            'gender': 'male'
+        }
+        result = collection.insert_one(student)
+        print(db['students'].info)
+    except Exception as e:
+        print("Unable to connect to the server.")
+        print(f"-{e}")
diff --git a/leetcode/matrix_lucky_number.py b/leetcode/matrix_lucky_number.py
new file mode 100644
index 0000000000000000000000000000000000000000..75a1eaad7198c0c7751d96ed3db771a8bb62552f
--- /dev/null
+++ b/leetcode/matrix_lucky_number.py
@@ -0,0 +1,9 @@
+
+class Solution:
+    def luck_number(self, matrix: list(list[int])) -> list[int]:
+        ans = []
+        for row in matrix:
+            for j, x in enumerate(row):
+                if max(r[j] for r in matrix) <= x <= min(row):
+                    ans.append(x)
+        return ans
\ No newline at end of file
diff --git "a/python_note/\347\274\226\347\240\201.py" "b/python_note/\347\274\226\347\240\201.py"
new file mode 100644
index 0000000000000000000000000000000000000000..9a85a3d25283ae85e93e6a31efbac32e3eb8b836
--- /dev/null
+++ "b/python_note/\347\274\226\347\240\201.py"
@@ -0,0 +1,4 @@
+#!/use/bin/python
+# coding=utf-8
+
+print("你好")
\ No newline at end of file