local_node.sh failed for exocored config error

[cloud8little]

Summary of Bug

https://github.com/ExocoreNetwork/exocore/pull/109

Version

Steps to Reproduce

Test object: https://github.com/ExocoreNetwork/exocore/pull/109

make build
cp build/exocored to system exocored directory.
`run ./local_node.sh `

or directly run the command exocored config --keyring-backend test --home /root/.tmp-exocored

Screenshots

An existing folder at '/root/.tmp-exocored' was found. You can choose to delete this folder and start a new local node with new keys from genesis. When declined, the existing local node is started. 
Overwrite the existing configuration and start a new local node? [y/n]
y
Error: failed to parse /root/.tmp-exocored/config/app.toml: '' expected a map, got 'interface'
Usage:
  exocored config <key> [value] [flags]

Additional context

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