update go mod

go.mod

@@ -3,7 +3,7 @@ module github.com/33cn/plugin
 go 1.12
 
 require (
-	github.com/33cn/chain33 v0.0.0-20190910084507-3738525edd10
+	github.com/33cn/chain33 v0.0.0-20190912074522-1ed1c16eb445
 	github.com/BurntSushi/toml v0.3.1
 	github.com/NebulousLabs/Sia v1.3.7
 	github.com/btcsuite/btcd v0.0.0-20181013004428-67e573d211ac
@@ -20,8 +20,6 @@ require (
 	github.com/golang-collections/collections v0.0.0-20130729185459-604e922904d3
 	github.com/golang/protobuf v1.3.2
 	github.com/hashicorp/golang-lru v0.5.0
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.1 // indirect
 	github.com/pkg/errors v0.8.0
 	github.com/prometheus/client_golang v1.1.0 // indirect
 	github.com/robertkrimen/otto v0.0.0-20180617131154-15f95af6e78d

go.sum

 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-github.com/33cn/chain33 v0.0.0-20190910084507-3738525edd10 h1:tz0yj8OE2RDCpHt3hGC+rNZ1cNF4t4JVFCJ1+iRtqf8=
-github.com/33cn/chain33 v0.0.0-20190910084507-3738525edd10/go.mod h1:4I8n+Zyf3t0UKM5jjpqJY627Tub62oXkLsdzIv4r6rQ=
+github.com/33cn/chain33 v0.0.0-20190912074522-1ed1c16eb445 h1:6GcQRHeeEDUWfP1jl7pyW9RIkQJg3x7UKVcCATsw57U=
+github.com/33cn/chain33 v0.0.0-20190912074522-1ed1c16eb445/go.mod h1:4I8n+Zyf3t0UKM5jjpqJY627Tub62oXkLsdzIv4r6rQ=
 github.com/AndreasBriese/bbloom v0.0.0-20180913140656-343706a395b7 h1:PqzgE6kAMi81xWQA2QIVxjWkFHptGgC547vchpUbtFo=
 github.com/AndreasBriese/bbloom v0.0.0-20180913140656-343706a395b7/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=