页面【pages/index/index]错误:  Error: Plugin "routePlan" has not registered.     at VM181 WAService.js:2     at _ (VM181 WAService.js:2)     at index.js? [sm]:1     at p (VM181 WAService.js:2)     at <anonymous>:1135:7     at doWhenAllScriptLoaded (<anonymous>:1212:21)     at Object.scriptLoaded (<anonymous>:1240:5)     at Object.<anonymous> (<anonymous>:1265:22)(env: Windows,mp,1.05.2203070; lib: 2.19.4) 请问我应该如何解决呢？ 麻烦帮忙解答，十分感谢。