Warning: Encountered two children with the same key, `.$4`. Keys should be unique so that components maintain their identity across updates. Non-unique keys may cause children to be duplicated and/or omitted the behavior is unsupported and could change in a future version.
in ul (created by DOMWrap)
in DOMWrap (created by Menu)
in Provider (created by Menu)
in Menu (created by Menu)
in Menu (created by Left)
in div (created by Sider)
in div (created by Sider)
in Sider (created by Left)
in Left (created by Main)
in div (created by BasicLayout)
in BasicLayout (created by Adapter)
in Adapter (created by Main)
in Main (created by Connect(Main))
in Connect(Main) (created by Route)
in Route
in Switch
in Router
in Provider
in Unknown
react
Key