From 042c4d4fdad8ad34ead11932e1da2bfc68dd79dd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=B0=8F=E6=B5=B7?= <zh56462271@qq.com>
Date: Fri, 24 Apr 2020 10:28:14 +0800
Subject: [PATCH] =?UTF-8?q?=E7=A9=BA=E6=8C=87=E9=92=88?=
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---
 index/src/app/services/component-state.service.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index/src/app/services/component-state.service.ts b/index/src/app/services/component-state.service.ts
index 94aca02..74e270e 100644
--- a/index/src/app/services/component-state.service.ts
+++ b/index/src/app/services/component-state.service.ts
@@ -33,7 +33,7 @@ export class ComponentStateService {
             const prefix = path.substr(0, indexOf === 0 ? path.length : indexOf);
             this.dealWithPathChange(prefix)
             this.currentPath = prefix;
-            subscriber.next(prefix)
+            if (subscriber) subscriber.next(prefix)
         });
         return ob;
     }