diff --git "a/day5/\346\274\224\347\277\2221/models/titanic_model.pkl" "b/day5/\346\274\224\347\277\2221/models/titanic_model.pkl"
index 6fec87e47..18f3688ef 100644
Binary files "a/day5/\346\274\224\347\277\2221/models/titanic_model.pkl" and "b/day5/\346\274\224\347\277\2221/models/titanic_model.pkl" differ
diff --git "a/day5/\346\274\224\347\277\2222/black_check.py" "b/day5/\346\274\224\347\277\2222/black_check.py"
index 3158f952d..910a40c3a 100644
--- "a/day5/\346\274\224\347\277\2222/black_check.py"
+++ "b/day5/\346\274\224\347\277\2222/black_check.py"
@@ -1,7 +1,18 @@
+def say_hello(name):
+    print("Hello," + name + "!")  # greet
+
+
+def say_hello(name):
+    print("Hello," + name + "!")  # greet
+
+
+def add(a, b):
+    return a + b
+
+
+def add(a, b):
+    return a + b
+
 
-def say_hello(name):print("Hello,"+name+"!")   # greet
-def say_hello(name):print("Hello,"     +    name   +"!")   # greet
-def add( a,b):return a+b
-def add( a ,     b    ):return a+b
 def add(a, b):
-    return a+b
\ No newline at end of file
+    return a + b
diff --git "a/day5/\346\274\224\347\277\2222/models/titanic_model.pkl" "b/day5/\346\274\224\347\277\2222/models/titanic_model.pkl"
index 9e1859fdf..f5f5e860b 100644
Binary files "a/day5/\346\274\224\347\277\2222/models/titanic_model.pkl" and "b/day5/\346\274\224\347\277\2222/models/titanic_model.pkl" differ
diff --git a/mlruns/0/meta.yaml b/mlruns/0/meta.yaml
new file mode 100644
index 000000000..ee1fc4763
--- /dev/null
+++ b/mlruns/0/meta.yaml
@@ -0,0 +1,6 @@
+artifact_location: mlflow-artifacts:/0
+creation_time: 1747361733263
+experiment_id: '0'
+last_update_time: 1747361733263
+lifecycle_stage: active
+name: Default