【组件库】范围判断

PDF Office/PDF Master/Class/Home/ViewController/customViewController/KMDesignSelect.swift

@@ -416,7 +416,7 @@ class KMSelectCell: NSTextFieldCell {
     }
     
     func selectItem(at index: Int) {
-        if items.count > 0 {
+        if items.count > 0 && index < items.count {
             stringValue = items[index]
             self.indexOfSelectedItem = index
         }