diff --git a/__pycache__/Database.cpython-310.pyc b/__pycache__/Database.cpython-310.pyc
index 567a296..fa1da42 100644
Binary files a/__pycache__/Database.cpython-310.pyc and b/__pycache__/Database.cpython-310.pyc differ
diff --git a/database.json b/database.json
index 7d4b14e..69b0e14 100644
--- a/database.json
+++ b/database.json
@@ -17313,5 +17313,5 @@
 			}
 		]
 	},
-	"last_updated": "Mon Jul  1 06:17:49 2024"
+	"last_updated": "Mon Jul  1 12:22:08 2024"
 }
\ No newline at end of file
diff --git a/diff.json b/diff.json
index 7ac7624..6f9d7ad 100644
--- a/diff.json
+++ b/diff.json
@@ -1,13 +1,3 @@
 {
-	"problems": [
-		{
-			"id": 4315,
-			"level": 15,
-			"level_locked": 0,
-			"solvable": 1,
-			"title": "\ub098\ubb34 \uc704\uc758 \uad6c\uc2ac",
-			"solved_count": 100,
-			"average_try": 2.15
-		}
-	]
+	"problems": []
 }
\ No newline at end of file
diff --git a/recent.json b/recent.json
index 61e10dc..b90f3d6 100644
--- a/recent.json
+++ b/recent.json
@@ -4001,5 +4001,5 @@
 			"update_date": "Sat Jan 20 05:51:17 2024"
 		}
 	],
-	"last_updated": "Mon Jul  1 06:17:49 2024"
+	"last_updated": "Mon Jul  1 12:22:08 2024"
 }
\ No newline at end of file