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code/base-project/base-vue/packages/ao-design/src/modal/modalManager.ts

@@ -1,15 +1,8 @@
 let zIndexBase = 1000
 const modalStack: number[] = [] // 当前打开的 Modal zIndex
-const freeZIndex: number[] = [] // 已关闭 Modal 可复用 zIndex
 
 export function addModal() {
-  let zIndex: number
-  if (freeZIndex.length > 0) {
-    zIndex = freeZIndex.pop()!
-  }
-  else {
-    zIndex = ++zIndexBase
-  }
+  const zIndex = ++zIndexBase // 每次直接递增
   modalStack.push(zIndex)
   return zIndex
 }
@@ -17,8 +10,7 @@ export function addModal() {
 export function removeModal(zIndex: number) {
   const idx = modalStack.indexOf(zIndex)
   if (idx !== -1) {
-    modalStack.splice(idx, 1)
-    freeZIndex.push(zIndex) // 回收 zIndex
+    modalStack.splice(idx, 1) // 只移出 stack，不回收 zIndex
   }
 }