diff --git a/widgets.py b/widgets.py
new file mode 100644
index 0000000..eec67f7
--- /dev/null
+++ b/widgets.py
@@ -0,0 +1,17 @@
+'''自定义控件实现'''
+from PyQt6.QtWidgets import QSpinBox, QDoubleSpinBox
+from PyQt6.QtCore import Qt
+
+class NoWheelSpinBox(QSpinBox):
+    """禁用鼠标滚轮的SpinBox"""
+    def wheelEvent(self, event):
+        event.ignore()
+
+class NoWheelDoubleSpinBox(QDoubleSpinBox):
+    """禁用鼠标滚轮的DoubleSpinBox"""
+    def wheelEvent(self, event):
+        event.ignore()
+    
+    def setDecimalsFromRules(self, decimals):
+        """根据规则设置小数位数"""
+        self.setDecimals(decimals)
\ No newline at end of file