Merge pull request #687 from yxliang01/master

Fix the error encounter when running node

Author: daviddias

package.json

@@ -116,7 +116,7 @@
     "path-exists": "^3.0.0",
     "peer-book": "^0.3.0",
     "peer-id": "^0.8.1",
-    "peer-info": "^0.8.1",
+    "peer-info": "^0.8.2",
     "promisify-es6": "^1.0.2",
     "pull-file": "^1.0.0",
     "pull-paramap": "^1.2.1",