diff --git a/webui/src/components/ParameterForm.vue b/webui/src/components/ParameterForm.vue
index ffe4dc3..13650fb 100644
--- a/webui/src/components/ParameterForm.vue
+++ b/webui/src/components/ParameterForm.vue
@@ -903,6 +903,15 @@ declare global {
   }
 }
 
+// 禁用数字输入框的滚轮调整功能
+const preventWheelOnNumberInput = (e: Event) => {
+  const target = e.target as HTMLInputElement
+  if (target && target.type === 'number') {
+    e.preventDefault()
+    ;(target as HTMLElement).blur()
+  }
+}
+
 // 注册全局日志接收函数，供后端实时调用
 onMounted(() => {
   // 程序启动时，根据雷暴日初始化地闪密度
@@ -910,6 +919,9 @@ onMounted(() => {
     params.advance.ng = Math.round(0.023 * Math.pow(params.parameter.td, 1.3) * 100) / 100
   }
 
+  // 禁用数字输入框的滚轮调整
+  document.addEventListener('wheel', preventWheelOnNumberInput, { passive: false })
+
   // 实时日志推送
   window.addLogFromBackend = (log: { level: string; time: string; message: string }) => {
     logRef.value?.addLog(log.level as any, log.message)
@@ -932,6 +944,7 @@ onMounted(() => {
 })
 
 onUnmounted(() => {
+  document.removeEventListener('wheel', preventWheelOnNumberInput)
   window.addLogFromBackend = undefined
   window.receiveResult = undefined
 })
@@ -942,4 +955,15 @@ onUnmounted(() => {
   user-select: text;
   cursor: text;
 }
+
+/* 隐藏数字输入框的上下箭头 */
+:deep(input[type="number"]) {
+  -moz-appearance: textfield;
+}
+
+:deep(input[type="number"]::-webkit-inner-spin-button),
+:deep(input[type="number"]::-webkit-outer-spin-button) {
+  -webkit-appearance: none;
+  margin: 0;
+}
 </style>
\ No newline at end of file