jquery.flot.min.js与tree.min.js报错

[angiely1115]

jquery.flot.min.js:30 Uncaught TypeError: Cannot read property 'toLowerCase' of undefined
at Object.a.color.extract (jquery.flot.min.js:30)
at R (jquery.flot.min.js:695)
at B (jquery.flot.min.js:382)
at new c (jquery.flot.min.js:977)
at Function.a.plot (jquery.flot.min.js:1066)
at drawPieChart (index:268)
at HTMLDocument. (index:295)
at j (jquery-2.1.4.min.js:2)
at Object.fireWith [as resolveWith] (jquery-2.1.4.min.js:2)
at Function.ready (jquery-2.1.4.min.js:2)
a.color.extract @ jquery.flot.min.js:30
R @ jquery.flot.min.js:695
B @ jquery.flot.min.js:382
c @ jquery.flot.min.js:977
a.plot @ jquery.flot.min.js:1066
drawPieChart @ index:268
(anonymous) @ index:295
j @ jquery-2.1.4.min.js:2
fireWith @ jquery-2.1.4.min.js:2
ready @ jquery-2.1.4.min.js:2
I @ jquery-2.1.4.min.js:2
tree.min.js:73 Uncaught TypeError: Cannot use 'in' operator to search for 'item-selected' in null
at Object. (tree.min.js:73)
at Function.each (jquery-2.1.4.min.js:2)
at tree.min.js:65
at Object.remoteDateSource [as dataSource] (menu:273)
at g.populate (tree.min.js:64)
at g.render (tree.min.js:56)
at new g (tree.min.js:44)
at HTMLUListElement. (tree.min.js:171)
at Function.each (jquery-2.1.4.min.js:2)
at n.fn.init.each (jquery-2.1.4.min.js:2)