chore(防抖节流工具): 新增注释

src/utils/useDebounce.js

@@ -6,6 +6,7 @@ export function useDebounce(fn, delay = 500, immediate = false) {
   let instance = getCurrentInstance() // 获取当前组件实例
 
   const debounced = (...args) => {
+    // 接收所有传入的参数
     if (timer) clearTimeout(timer)
 
     if (immediate && !timer) {
@@ -14,7 +15,7 @@ export function useDebounce(fn, delay = 500, immediate = false) {
     }
 
     timer = setTimeout(() => {
-      if (!immediate) fn.apply(this, args)
+      if (!immediate) fn.apply(this, args) // 将参数透传给原始函数
       timer = null // 清理timer引用
     }, delay)
   }
@@ -50,7 +51,7 @@ export function useThrottle(fn, delay = 1000) {
     const now = Date.now()
     if (now - lastCall < delay) return
     lastCall = now
-    fn(...args)
+    fn(...args) // 将参数透传给原始函数
   }
 
   return throttled