Pull request #1814: 无JIRA任务 完善类型

Merge in VISUAL/fineui from ~TELLER/fineui:bugfix to master

* commit '80fb3958e60a68be24e987f3c720daacf18bfdfe':
  fix: 完善类型

typescript/router/router.ts

@@ -20,7 +20,7 @@ export declare class History {
 
     getFragment(fragment?: string): string;
 
-    start(op: {[key: string]: any}): void;
+    start(op?: {[key: string]: any}): void;
 
     stop(): void;