diff --git a/assets/minecraft/texts/credits.json b/assets/minecraft/texts/credits.json
index 0c4ba3e..3e60f57 100644
--- a/assets/minecraft/texts/credits.json
+++ b/assets/minecraft/texts/credits.json
@@ -135,7 +135,7 @@
                 {
                     "title": "许可协议",
                     "names": [
-                        "沙雕资源包本体使用GNU GPL-V3许可条款",
+                        "沙雕资源包本体与附属模组（开发中）使用GNU GPL-V3许可条款",
                         "沙雕附加包使用CC BY-NC-SA 4.0国际许可条款"
                     ]
                 },
@@ -172,7 +172,7 @@
                     "names": [
                         "邮箱：starmoe@moerain.cn",
                         "QQ群：1004245106",
-                        "网站：https://moerain.cn",
+                        "网站：https://main.moerain.cn",
                         "哔哩：辉夜星瞳",
                         "",
                         "",
diff --git a/pack.mcmeta b/pack.mcmeta
index 7ef15c7..78f0b18 100644
--- a/pack.mcmeta
+++ b/pack.mcmeta
@@ -1,6 +1,6 @@
 {
 "pack" : {
-"pack_format" : 45,
-"description" : "沙雕翻译包24w46a测试版，版本为snap-24w46a-git.20241119"
+"pack_format" : 46,
+"description" : "沙雕翻译包1.21.4-pre1测试版，版本为snap-1.21.4pre1-git.20241120"
 }
 }
diff --git a/update.py b/update.py
new file mode 100644
index 0000000..776d57e
--- /dev/null
+++ b/update.py
@@ -0,0 +1,75 @@
+import sys
+import requests
+from PyQt5.QtWidgets import (
+    QApplication, QWidget, QVBoxLayout, QHBoxLayout,
+    QPushButton, QTableWidget, QTableWidgetItem, QTextEdit, QLabel
+)
+import json
+
+
+class MinecraftVersionViewer(QWidget):
+    def __init__(self):
+        super().__init__()
+        self.setWindowTitle("Minecraft 版本查看器")
+        self.setGeometry(200, 200, 800, 500)
+
+        # Layouts
+        self.layout = QVBoxLayout()
+        self.setLayout(self.layout)
+
+        # UI Elements
+        self.refresh_button = QPushButton("刷新当前版本")
+        self.table_widget = QTableWidget()
+        self.table_widget.setColumnCount(3)
+        self.table_widget.setHorizontalHeaderLabels(["版本号", "发布类型", "发布日期"])
+        self.detail_view = QTextEdit()
+        self.detail_view.setReadOnly(True)
+        self.status_label = QLabel("状态：就绪")
+
+        # Adding elements to the layout
+        self.layout.addWidget(self.refresh_button)
+        self.layout.addWidget(self.table_widget)
+        self.layout.addWidget(QLabel("版本细节："))
+        self.layout.addWidget(self.detail_view)
+        self.layout.addWidget(self.status_label)
+
+        # Connect signals
+        self.refresh_button.clicked.connect(self.load_versions)
+        self.table_widget.cellClicked.connect(self.show_version_details)
+
+        # Data
+        self.versions = {}
+
+    def load_versions(self):
+        """Fetch the version manifest and populate the table."""
+        self.status_label.setText("状态：正在下载元文件")
+        try:
+            url = "https://launchermeta.mojang.com/mc/game/version_manifest.json"
+            response = requests.get(url)
+            response.raise_for_status()
+            data = response.json()
+
+            self.versions = {version["id"]: version for version in data["versions"]}
+            self.table_widget.setRowCount(len(self.versions))
+
+            for row, version in enumerate(data["versions"]):
+                self.table_widget.setItem(row, 0, QTableWidgetItem(version["id"]))
+                self.table_widget.setItem(row, 1, QTableWidgetItem(version["type"]))
+                self.table_widget.setItem(row, 2, QTableWidgetItem(version["releaseTime"]))
+
+            self.status_label.setText("状态：版本载入完成！")
+        except Exception as e:
+            self.status_label.setText(f"Status: Error - {str(e)}")
+
+    def show_version_details(self, row, column):
+        """Display details of the selected version."""
+        version_id = self.table_widget.item(row, 0).text()
+        version_data = self.versions.get(version_id, {})
+        self.detail_view.setPlainText(json.dumps(version_data, indent=4))
+
+
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+    viewer = MinecraftVersionViewer()
+    viewer.show()
+    sys.exit(app.exec_())