diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index a4a487fe27..0600b769f7 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -14,7 +14,7 @@ your contribution accepted.
 
 Developing DM requires:
 
-* [Go 1.11+](http://golang.org/doc/code.html)
+* [Go 1.13+](http://golang.org/doc/code.html)
 * An internet connection to download the dependencies
 
 Simply run `make` to build the program.
diff --git a/_utils/terror_gen/errors_release.txt b/_utils/terror_gen/errors_release.txt
index e05af6c5b7..42b5ff71cc 100644
--- a/_utils/terror_gen/errors_release.txt
+++ b/_utils/terror_gen/errors_release.txt
@@ -155,6 +155,7 @@ ErrTaskCheckFailedOpenDB,[code=26002:class=task-check:scope=internal:level=high]
 ErrTaskCheckNewTableRouter,[code=26003:class=task-check:scope=internal:level=medium],"new table router error"
 ErrTaskCheckNewColumnMapping,[code=26004:class=task-check:scope=internal:level=medium],"new column mapping error"
 ErrTaskCheckSyncConfigError,[code=26005:class=task-check:scope=internal:level=medium],"%s %v: %v\n detail: %v"
+ErrTaskCheckNewBWList,[code=26006:class=task-check:scope=internal:level=medium],"new black white list error"
 ErrRelayParseUUIDIndex,[code=28001:class=relay-event-lib:scope=internal:level=high],"parse server-uuid.index"
 ErrRelayParseUUIDSuffix,[code=28002:class=relay-event-lib:scope=internal:level=high],"UUID (with suffix) %s not valid"
 ErrRelayUUIDWithSuffixNotFound,[code=28003:class=relay-event-lib:scope=internal:level=high],"no UUID (with suffix) matched %s found in %s, all UUIDs are %v"
@@ -205,6 +206,7 @@ ErrRelayPurgeArgsNotValid,[code=30042:class=relay-unit:scope=internal:level=high
 ErrPreviousGTIDsNotValid,[code=30043:class=relay-unit:scope=internal:level=high],"previousGTIDs %s not valid"
 ErrDumpUnitRuntime,[code=32001:class=dump-unit:scope=internal:level=high],"mydumper runs with error"
 ErrDumpUnitGenTableRouter,[code=32002:class=dump-unit:scope=internal:level=high],"generate table router"
+ErrDumpUnitGenBWList,[code=32003:class=dump-unit:scope=internal:level=high],"generate black white list"
 ErrLoadUnitCreateSchemaFile,[code=34001:class=load-unit:scope=internal:level=medium],"generate schema file"
 ErrLoadUnitInvalidFileEnding,[code=34002:class=load-unit:scope=internal:level=high],"corresponding ending of sql: ')' not found"
 ErrLoadUnitParseQuoteValues,[code=34003:class=load-unit:scope=internal:level=high],"parse quote values error"
@@ -220,6 +222,7 @@ ErrLoadUnitNoDBFile,[code=34012:class=load-unit:scope=internal:level=high],"inva
 ErrLoadUnitNoTableFile,[code=34013:class=load-unit:scope=internal:level=high],"invalid data sql file, cannot find table - %s"
 ErrLoadUnitDumpDirNotFound,[code=34014:class=load-unit:scope=internal:level=high],"%s does not exist or it's not a dir"
 ErrLoadUnitDuplicateTableFile,[code=34015:class=load-unit:scope=internal:level=high],"invalid table schema file, duplicated item - %s"
+ErrLoadUnitNewBWList,[code=34016:class=load-unit:scope=internal:level=high],"new black white list"
 ErrSyncerUnitPanic,[code=36001:class=sync-unit:scope=internal:level=high],"panic error: %v"
 ErrSyncUnitInvalidTableName,[code=36002:class=sync-unit:scope=internal:level=high],"extract table name for DML error: %s"
 ErrSyncUnitTableNameQuery,[code=36003:class=sync-unit:scope=internal:level=high],"table name parse error: %s"
@@ -279,6 +282,7 @@ ErrSyncerUnitResolveCasualityFail,[code=36056:class=sync-unit:scope=internal:lev
 ErrSyncerUnitReopenStreamNotSupport,[code=36057:class=sync-unit:scope=internal:level=high],"reopen %T not supported"
 ErrSyncerUnitUpdateConfigInSharding,[code=36058:class=sync-unit:scope=internal:level=high],"try update config when some tables' (%v) sharding DDL not synced not supported"
 ErrSyncerUnitExecWithNoBlockingDDL,[code=36059:class=sync-unit:scope=internal:level=high],"process unit not waiting for sharding DDL to sync"
+ErrSyncerUnitNewBWList,[code=36060:class=sync-unit:scope=internal:level=high],"new black white list"
 ErrMasterSQLOpNilRequest,[code=38001:class=dm-master:scope=internal:level=medium],"nil request not valid"
 ErrMasterSQLOpNotSupport,[code=38002:class=dm-master:scope=internal:level=medium],"op %s not supported"
 ErrMasterSQLOpWithoutSharding,[code=38003:class=dm-master:scope=internal:level=medium],"operate request without --sharding specified not valid"
diff --git a/checker/checker.go b/checker/checker.go
index ef46b06389..06be9ae6cc 100644
--- a/checker/checker.go
+++ b/checker/checker.go
@@ -117,7 +117,10 @@ func (c *Checker) Init() (err error) {
 	_, checkSchema := c.checkingItems[config.TableSchemaChecking]
 
 	for _, instance := range c.instances {
-		bw := filter.New(instance.cfg.CaseSensitive, instance.cfg.BWList)
+		bw, err := filter.New(instance.cfg.CaseSensitive, instance.cfg.BWList)
+		if err != nil {
+			return terror.ErrTaskCheckNewBWList.Delegate(err)
+		}
 		r, err := router.NewTableRouter(instance.cfg.CaseSensitive, instance.cfg.RouteRules)
 		if err != nil {
 			return terror.ErrTaskCheckNewTableRouter.Delegate(err)
diff --git a/go.mod b/go.mod
index f837bbff3b..aeae528764 100644
--- a/go.mod
+++ b/go.mod
@@ -4,8 +4,8 @@ require (
 	github.com/BurntSushi/toml v0.3.1
 	github.com/DATA-DOG/go-sqlmock v1.3.3
 	github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d // indirect
+	github.com/cespare/xxhash/v2 v2.1.1 // indirect
 	github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e
-	github.com/coreos/etcd v3.3.15+incompatible // indirect
 	github.com/coreos/go-semver v0.3.0 // indirect
 	github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f // indirect
 	github.com/cznic/sortutil v0.0.0-20181122101858-f5f958428db8 // indirect
@@ -13,35 +13,32 @@ require (
 	github.com/dustin/go-humanize v1.0.0
 	github.com/go-ole/go-ole v1.2.4 // indirect
 	github.com/go-sql-driver/mysql v1.4.1
-	github.com/gogo/protobuf v1.2.1
-	github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6 // indirect
+	github.com/gogo/protobuf v1.3.1
+	github.com/golang/groupcache v0.0.0-20191027212112-611e8accdfc9 // indirect
 	github.com/golang/mock v1.3.1
 	github.com/golang/protobuf v1.3.2
-	github.com/google/btree v1.0.0 // indirect
-	github.com/google/go-cmp v0.3.1 // indirect
 	github.com/gorilla/mux v1.7.3 // indirect
 	github.com/gorilla/websocket v1.4.1 // indirect
-	github.com/grpc-ecosystem/grpc-gateway v1.9.6
+	github.com/grpc-ecosystem/go-grpc-middleware v1.1.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway v1.12.1
+	github.com/json-iterator/go v1.1.8 // indirect
 	github.com/kami-zh/go-capturer v0.0.0-20171211120116-e492ea43421d
 	github.com/klauspost/cpuid v1.2.1 // indirect
 	github.com/konsorten/go-windows-terminal-sequences v1.0.2 // indirect
 	github.com/montanaflynn/stats v0.5.0 // indirect
 	github.com/onsi/ginkgo v1.9.0 // indirect
 	github.com/onsi/gomega v1.6.0 // indirect
-	github.com/opentracing/opentracing-go v1.1.0 // indirect
-	github.com/pingcap/check v0.0.0-20190102082844-67f458068fc8
+	github.com/pingcap/check v0.0.0-20191107115940-caf2b9e6ccf4
 	github.com/pingcap/errcode v0.3.0 // indirect
 	github.com/pingcap/errors v0.11.4
 	github.com/pingcap/failpoint v0.0.0-20190708053854-e7b1061e6e81
-	github.com/pingcap/kvproto v0.0.0-20190827032240-9696cd0c6acb // indirect
-	github.com/pingcap/log v0.0.0-20190715063458-479153f07ebd
-	github.com/pingcap/parser v0.0.0-20191008032157-51a2e3b2e34b
-	github.com/pingcap/tidb v0.0.0-20190827060935-cc07b110825e
-	github.com/pingcap/tidb-tools v3.0.0-beta.1.0.20190821032033-e6ccf3994944+incompatible
-	github.com/pingcap/tipb v0.0.0-20191008064422-018b2fadf414 // indirect
-	github.com/prometheus/client_golang v1.1.0
-	github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4 // indirect
-	github.com/prometheus/procfs v0.0.4 // indirect
+	github.com/pingcap/log v0.0.0-20191012051959-b742a5d432e9
+	github.com/pingcap/parser v0.0.0-20191112053614-3b43b46331d5
+	github.com/pingcap/pd v1.1.0-beta.0.20191114130008-2488cb978644 // indirect
+	github.com/pingcap/tidb v1.1.0-beta.0.20191115021711-b274eb2079dc
+	github.com/pingcap/tidb-tools v3.0.6-0.20191113022349-48d5e90d3271+incompatible
+	github.com/prometheus/client_golang v1.2.1
+	github.com/prometheus/procfs v0.0.7 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20190728182440-6a916e37a237 // indirect
 	github.com/satori/go.uuid v1.2.0
 	github.com/shirou/gopsutil v2.18.12+incompatible // indirect
@@ -49,30 +46,27 @@ require (
 	github.com/siddontang/go v0.0.0-20180604090527-bdc77568d726
 	github.com/siddontang/go-log v0.0.0-20190221022429-1e957dd83bed // indirect
 	github.com/siddontang/go-mysql v0.0.0-20191009015310-f66c8b344478
-	github.com/sirupsen/logrus v1.4.2 // indirect
 	github.com/soheilhy/cmux v0.1.4
 	github.com/spaolacci/murmur3 v1.1.0 // indirect
 	github.com/spf13/cobra v0.0.5
-	github.com/stretchr/testify v1.4.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/syndtr/goleveldb v1.0.1-0.20190318030020-c3a204f8e965
 	github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5 // indirect
 	github.com/uber-go/atomic v1.4.0 // indirect
 	github.com/uber/jaeger-client-go v2.16.0+incompatible // indirect
 	github.com/uber/jaeger-lib v2.0.0+incompatible // indirect
 	github.com/unrolled/render v1.0.1 // indirect
-	go.etcd.io/etcd v3.3.15+incompatible // indirect
-	go.uber.org/atomic v1.4.0 // indirect
-	go.uber.org/zap v1.10.0
-	golang.org/x/crypto v0.0.0-20191002192127-34f69633bfdc // indirect
-	golang.org/x/net v0.0.0-20191007182048-72f939374954
-	golang.org/x/sys v0.0.0-20191008105621-543471e840be
-	golang.org/x/time v0.0.0-20190308202827-9d24e82272b4
-	golang.org/x/tools v0.0.0-20191007185444-6536af71d98a // indirect
+	go.uber.org/zap v1.13.0
+	golang.org/x/crypto v0.0.0-20191112222119-e1110fd1c708 // indirect
+	golang.org/x/net v0.0.0-20191112182307-2180aed22343
+	golang.org/x/sys v0.0.0-20191115151921-52ab43148777
+	golang.org/x/time v0.0.0-20191024005414-555d28b269f0
+	golang.org/x/tools v0.0.0-20191115202509-3a792d9c32b2 // indirect
 	google.golang.org/appengine v1.6.1 // indirect
-	google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55
-	google.golang.org/grpc v1.23.0
-	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
-	gopkg.in/yaml.v2 v2.2.4
-	sigs.k8s.io/yaml v1.1.0 // indirect
+	google.golang.org/genproto v0.0.0-20191115221424-83cc0476cb11
+	google.golang.org/grpc v1.25.1
+	gopkg.in/yaml.v2 v2.2.5
 	sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0 // indirect
 )
+
+go 1.13
diff --git a/go.sum b/go.sum
index 7dbe5cb5e8..122b3e0e3c 100644
--- a/go.sum
+++ b/go.sum
@@ -9,8 +9,11 @@ github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d h1:G0m3OIz70MZUW
 github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc h1:cAKDfWh5VpdgMhJosfJnn5/FoN2SRZ4p7fJNX58YPaU=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf h1:qet1QNfXsQxTZqLG4oE62mJzwPIB8+Tee4RNCL9ulrY=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/antihax/optional v0.0.0-20180407024304-ca021399b1a6/go.mod h1:V8iCPQYkqmusNa815XgQio277wI47sdRh1dUOLdyC6Q=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 h1:xJ4a3vCFaGF/jqvzLMYoU8P317H5OQ+Via4RmuPwCS0=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
@@ -20,6 +23,11 @@ github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 github.com/blacktear23/go-proxyprotocol v0.0.0-20180807104634-af7a81e8dd0d/go.mod h1:VKt7CNAQxpFpSDz3sXyj9hY/GbVsQCr0sB3w59nE7lU=
+github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/cespare/xxhash/v2 v2.1.0 h1:yTUvW7Vhb89inJ+8irsUqiWjh8iT6sQPZiQzI6ReGkA=
+github.com/cespare/xxhash/v2 v2.1.0/go.mod h1:dgIUBU3pDso/gPgZ1osOZ0iQf77oPR28Tjxl5dIMyVM=
+github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
+github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/chzyer/logex v1.1.10 h1:Swpa1K6QvQznwJRcfTfQJmTE72DqScAa40E+fbHEXEE=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20171208011716-f6d7a1f6fbf3/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
@@ -28,16 +36,12 @@ github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5P
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1 h1:q763qf9huN11kDQavWsoZXJNW3xEE4JJyHa5Q25/sd8=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa h1:OaNxuTZr7kxeODyLWsRMC+OD03aFUH+mW6r2d+MWa5Y=
+github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
 github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd h1:qMd81Ts1T2OTKmB4acZcyKaMtRnY5Y44NuXGX2GFJ1w=
 github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
-github.com/coreos/bbolt v1.3.3 h1:n6AiVyVRKQFNb6mJlwESEvvLoDyiTzXX7ORAUlkeBdY=
-github.com/coreos/bbolt v1.3.3/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
 github.com/coreos/etcd v3.3.10+incompatible h1:jFneRYjIvLMLhDLCzuTuU4rSJUjRplcJQ7pD7MnhC04=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
-github.com/coreos/etcd v3.3.13+incompatible h1:8F3hqu9fGYLBifCmRCJsicFqDx/D68Rt3q1JMazcgBQ=
-github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
-github.com/coreos/etcd v3.3.15+incompatible h1:+9RjdC18gMxNQVvSiXvObLu29mOFmkgdsB4cRTlV+EE=
-github.com/coreos/etcd v3.3.15+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
 github.com/coreos/go-semver v0.2.0 h1:3Jm3tLmsgAYcjC+4Up7hJrFBPr+n7rAqYeSw/SZazuY=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
@@ -52,6 +56,7 @@ github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfc
 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f h1:lBNOc5arjvs8E5mO2tbpBpLoyyu8B6e44T7hJy6potg=
 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
+github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
 github.com/cznic/mathutil v0.0.0-20181122101859-297441e03548 h1:iwZdTE0PVqJCos1vaoKsclOGD3ADKpshg3SRtYBbwso=
 github.com/cznic/mathutil v0.0.0-20181122101859-297441e03548/go.mod h1:e6NPNENfs9mPDVNRekM7lKScauxd5kXTr1Mfyig6TDM=
 github.com/cznic/sortutil v0.0.0-20150617083342-4c7342852e65 h1:hxuZop6tSoOi0sxFzoGGYdRqNrPubyaIf9KoBG9tPiE=
@@ -66,12 +71,16 @@ github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZm
 github.com/dgryski/go-farm v0.0.0-20190104051053-3adb47b1fb0f/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
 github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2 h1:tdlZCpZ/P9DhczCTSixgIKmwPv6+wP5DGjqLYw5SUiA=
 github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
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@@ -79,6 +88,7 @@ github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeME
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@@ -93,10 +103,10 @@ github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/me
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@@ -104,7 +114,8 @@ github.com/golang/groupcache v0.0.0-20181024230925-c65c006176ff h1:kOkM9whyQYodu
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@@ -130,6 +141,9 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
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@@ -150,30 +164,36 @@ github.com/gorilla/websocket v1.4.1 h1:q7AeDBpnBk8AogcD4DSag/Ukw/KV+YhzLj2bP5HvK
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@@ -212,8 +232,6 @@ github.com/montanaflynn/stats v0.0.0-20180911141734-db72e6cae808/go.mod h1:wL8QJ
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@@ -240,10 +258,11 @@ github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/9
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@@ -251,45 +270,45 @@ github.com/pingcap/errors v0.11.4/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTw
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@@ -359,6 +379,8 @@ github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb6
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@@ -377,8 +399,6 @@ github.com/tmc/grpc-websocket-proxy v0.0.0-20171017195756-830351dc03c6 h1:lYIiVD
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@@ -400,6 +420,7 @@ github.com/unrolled/render v0.0.0-20180914162206-b9786414de4d/go.mod h1:tu82oB5W
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@@ -410,40 +431,56 @@ go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
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 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
-golang.org/x/tools v0.0.0-20191007185444-6536af71d98a h1:mtF1GhqcFEC1RVSQxvgrZWOM22dax6fiM9VfcQoTv6U=
-golang.org/x/tools v0.0.0-20191007185444-6536af71d98a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
+golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191107010934-f79515f33823 h1:akkRBeitX2EZP59KdtKw310CI4WGPCNPyrLbE7WZA8Y=
+golang.org/x/tools v0.0.0-20191107010934-f79515f33823/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191115202509-3a792d9c32b2 h1:EtTFh6h4SAKemS+CURDMTDIANuduG5zKEXShyy18bGA=
+golang.org/x/tools v0.0.0-20191115202509-3a792d9c32b2/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/appengine v1.1.0 h1:igQkv0AAhEIvTEpD5LIpAfav2eeVO9HBTjvKHVJPRSs=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
@@ -504,17 +553,21 @@ google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww
 google.golang.org/genproto v0.0.0-20180608181217-32ee49c4dd80/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20181004005441-af9cb2a35e7f/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
-google.golang.org/genproto v0.0.0-20190108161440-ae2f86662275 h1:9oFlwfEGIvmxXTcY53ygNyxIQtWciRHjrnUvZJCYXYU=
-google.golang.org/genproto v0.0.0-20190108161440-ae2f86662275/go.mod h1:7Ep/1NZk928CDR8SjdVbjWNpdIf6nzjE3BTgJDr2Atg=
-google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55 h1:gSJIx1SDwno+2ElGhA4+qG2zF97qiUzTM+rQ0klBOcE=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
+google.golang.org/genproto v0.0.0-20190905072037-92dd089d5514 h1:oFSK4421fpCKRrpzIpybyBVWyht05NegY9+L/3TLAZs=
+google.golang.org/genproto v0.0.0-20190905072037-92dd089d5514/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
+google.golang.org/genproto v0.0.0-20190927181202-20e1ac93f88c/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
+google.golang.org/genproto v0.0.0-20191115221424-83cc0476cb11 h1:51D++eCgOHufw5VfDE9Uzqyyc+OyQIjb9hkYy9LN5Fk=
+google.golang.org/genproto v0.0.0-20191115221424-83cc0476cb11/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
 google.golang.org/grpc v0.0.0-20180607172857-7a6a684ca69e/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
 google.golang.org/grpc v1.14.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
-google.golang.org/grpc v1.16.0/go.mod h1:0JHn/cJsOMiMfNA9+DeHDlAU7KAAB5GDlYFpa9MZMio=
-google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
-google.golang.org/grpc v1.23.0 h1:AzbTB6ux+okLTzP8Ru1Xs41C303zdcfEht7MQnYJt5A=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
+google.golang.org/grpc v1.23.1 h1:q4XQuHFC6I28BKZpo6IYyb3mNO+l7lSOxRuYTCiDfXk=
+google.golang.org/grpc v1.23.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
+google.golang.org/grpc v1.24.0/go.mod h1:XDChyiUovWa60DnaeDeZmSW86xtLtjtZbwvSiRnRtcA=
+google.golang.org/grpc v1.25.1 h1:wdKvqQk7IttEw92GoRyKG2IDrUIpgpj6H6m81yfeMW0=
+google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 gopkg.in/airbrake/gobrake.v2 v2.0.9/go.mod h1:/h5ZAUhDkGaJfjzjKLSjv6zCL6O0LLBxU4K+aSYdM/U=
 gopkg.in/alecthomas/gometalinter.v2 v2.0.12/go.mod h1:NDRytsqEZyolNuAgTzJkZMkSQM7FIKyzVzGhjB/qfYo=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6 h1:jMFz6MfLP0/4fUyZle81rXUoxOBFi19VUFKVDOQfozc=
@@ -527,6 +580,7 @@ gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
+gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/gemnasium/logrus-airbrake-hook.v2 v2.1.2/go.mod h1:Xk6kEKp8OKb+X14hQBKWaSkCsqBpgog8nAV2xsGOxlo=
@@ -539,11 +593,13 @@ gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bl
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I=
-gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.5 h1:ymVxjfMaHvXD8RqPRmzHHsB3VvucivSkIAvJFDI5O3c=
+gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXeM=
+honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 sigs.k8s.io/yaml v1.1.0 h1:4A07+ZFc2wgJwo8YNlQpr1rVlgUDlxXHhPJciaPY5gs=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
 sourcegraph.com/sourcegraph/appdash v0.0.0-20180531100431-4c381bd170b4 h1:VO9oZbbkvTwqLimlQt15QNdOOBArT2dw/bvzsMZBiqQ=
diff --git a/loader/loader.go b/loader/loader.go
index dab8bd279a..3f93ce9d30 100644
--- a/loader/loader.go
+++ b/loader/loader.go
@@ -413,7 +413,10 @@ func (l *Loader) Init() (err error) {
 	l.checkPoint = checkpoint
 	rollbackHolder.Add(fr.FuncRollback{Name: "close-checkpoint", Fn: l.checkPoint.Close})
 
-	l.bwList = filter.New(l.cfg.CaseSensitive, l.cfg.BWList)
+	l.bwList, err = filter.New(l.cfg.CaseSensitive, l.cfg.BWList)
+	if err != nil {
+		return terror.ErrLoadUnitNewBWList.Delegate(err)
+	}
 
 	if l.cfg.RemoveMeta {
 		err2 := l.checkPoint.Clear()
@@ -709,7 +712,10 @@ func (l *Loader) Update(cfg *config.SubTaskConfig) error {
 
 	// update black-white-list
 	oldBwList = l.bwList
-	l.bwList = filter.New(cfg.CaseSensitive, cfg.BWList)
+	l.bwList, err = filter.New(cfg.CaseSensitive, cfg.BWList)
+	if err != nil {
+		return terror.ErrLoadUnitNewBWList.Delegate(err)
+	}
 
 	// update route, for loader, this almost useless, because schemas often have been restored
 	oldTableRouter = l.tableRouter
diff --git a/mydumper/util.go b/mydumper/util.go
index 468016e811..47625e247a 100644
--- a/mydumper/util.go
+++ b/mydumper/util.go
@@ -60,7 +60,10 @@ func fetchMyDumperDoTables(cfg *config.SubTaskConfig) (string, error) {
 		return "", terror.WithClass(err, terror.ClassDumpUnit)
 	}
 	defer fromDB.Close()
-	bw := filter.New(cfg.CaseSensitive, cfg.BWList)
+	bw, err := filter.New(cfg.CaseSensitive, cfg.BWList)
+	if err != nil {
+		return "", terror.ErrDumpUnitGenBWList.Delegate(err)
+	}
 	r, err := router.NewTableRouter(cfg.CaseSensitive, cfg.RouteRules)
 	if err != nil {
 		return "", terror.ErrDumpUnitGenTableRouter.Delegate(err)
diff --git a/pkg/log/log.go b/pkg/log/log.go
index 5d352b3cb6..930db2ac11 100644
--- a/pkg/log/log.go
+++ b/pkg/log/log.go
@@ -89,7 +89,6 @@ func InitLogger(cfg *Config) error {
 		Level: cfg.Level,
 		File: pclog.FileLogConfig{
 			Filename:   cfg.File,
-			LogRotate:  true,
 			MaxSize:    cfg.FileMaxSize,
 			MaxDays:    cfg.FileMaxDays,
 			MaxBackups: cfg.FileMaxBackups,
diff --git a/pkg/terror/error_list.go b/pkg/terror/error_list.go
index dba59dfaef..a74afb0649 100644
--- a/pkg/terror/error_list.go
+++ b/pkg/terror/error_list.go
@@ -201,6 +201,7 @@ const (
 	codeTaskCheckNewTableRouter
 	codeTaskCheckNewColumnMapping
 	codeTaskCheckSyncConfigError
+	codeTaskCheckNewBWList
 )
 
 // Relay log utils error code
@@ -263,6 +264,7 @@ const (
 const (
 	codeDumpUnitRuntime ErrCode = iota + 32001
 	codeDumpUnitGenTableRouter
+	codeDumpUnitGenBWList
 )
 
 // Load unit error code
@@ -282,6 +284,7 @@ const (
 	codeLoadUnitNoTableFile
 	codeLoadUnitDumpDirNotFound
 	codeLoadUnitDuplicateTableFile
+	codeLoadUnitNewBWList
 )
 
 // Sync unit error code
@@ -345,6 +348,7 @@ const (
 	codeSyncerUnitReopenStreamNotSupport
 	codeSyncerUnitUpdateConfigInSharding
 	codeSyncerUnitExecWithNoBlockingDDL
+	codeSyncerUnitNewBWList
 )
 
 // DM-master error code
@@ -652,6 +656,7 @@ var (
 	ErrTaskCheckNewTableRouter   = New(codeTaskCheckNewTableRouter, ClassTaskCheck, ScopeInternal, LevelMedium, "new table router error")
 	ErrTaskCheckNewColumnMapping = New(codeTaskCheckNewColumnMapping, ClassTaskCheck, ScopeInternal, LevelMedium, "new column mapping error")
 	ErrTaskCheckSyncConfigError  = New(codeTaskCheckSyncConfigError, ClassTaskCheck, ScopeInternal, LevelMedium, "%s %v: %v\n detail: %v")
+	ErrTaskCheckNewBWList        = New(codeTaskCheckNewBWList, ClassTaskCheck, ScopeInternal, LevelMedium, "new black white list error")
 
 	// Relay log basic API error
 	ErrRelayParseUUIDIndex         = New(codeRelayParseUUIDIndex, ClassRelayEventLib, ScopeInternal, LevelHigh, "parse server-uuid.index")
@@ -708,6 +713,7 @@ var (
 	// Dump unit error
 	ErrDumpUnitRuntime        = New(codeDumpUnitRuntime, ClassDumpUnit, ScopeInternal, LevelHigh, "mydumper runs with error")
 	ErrDumpUnitGenTableRouter = New(codeDumpUnitGenTableRouter, ClassDumpUnit, ScopeInternal, LevelHigh, "generate table router")
+	ErrDumpUnitGenBWList      = New(codeDumpUnitGenBWList, ClassDumpUnit, ScopeInternal, LevelHigh, "generate black white list")
 
 	// Load unit error
 	ErrLoadUnitCreateSchemaFile    = New(codeLoadUnitCreateSchemaFile, ClassLoadUnit, ScopeInternal, LevelMedium, "generate schema file")
@@ -725,6 +731,7 @@ var (
 	ErrLoadUnitNoTableFile         = New(codeLoadUnitNoTableFile, ClassLoadUnit, ScopeInternal, LevelHigh, "invalid data sql file, cannot find table - %s")
 	ErrLoadUnitDumpDirNotFound     = New(codeLoadUnitDumpDirNotFound, ClassLoadUnit, ScopeInternal, LevelHigh, "%s does not exist or it's not a dir")
 	ErrLoadUnitDuplicateTableFile  = New(codeLoadUnitDuplicateTableFile, ClassLoadUnit, ScopeInternal, LevelHigh, "invalid table schema file, duplicated item - %s")
+	ErrLoadUnitNewBWList           = New(codeLoadUnitNewBWList, ClassLoadUnit, ScopeInternal, LevelHigh, "new black white list")
 
 	// Sync unit error
 	ErrSyncerUnitPanic                   = New(codeSyncerUnitPanic, ClassSyncUnit, ScopeInternal, LevelHigh, "panic error: %v")
@@ -787,6 +794,7 @@ var (
 	ErrSyncerUnitReopenStreamNotSupport     = New(codeSyncerUnitReopenStreamNotSupport, ClassSyncUnit, ScopeInternal, LevelHigh, "reopen %T not supported")
 	ErrSyncerUnitUpdateConfigInSharding     = New(codeSyncerUnitUpdateConfigInSharding, ClassSyncUnit, ScopeInternal, LevelHigh, "try update config when some tables' (%v) sharding DDL not synced not supported")
 	ErrSyncerUnitExecWithNoBlockingDDL      = New(codeSyncerUnitExecWithNoBlockingDDL, ClassSyncUnit, ScopeInternal, LevelHigh, "process unit not waiting for sharding DDL to sync")
+	ErrSyncerUnitNewBWList                  = New(codeSyncerUnitNewBWList, ClassSyncUnit, ScopeInternal, LevelHigh, "new black white list")
 
 	// DM-master error
 	ErrMasterSQLOpNilRequest       = New(codeMasterSQLOpNilRequest, ClassDMMaster, ScopeInternal, LevelMedium, "nil request not valid")
diff --git a/syncer/db_test.go b/syncer/db_test.go
index 008cb217f4..ae8b93d6cb 100644
--- a/syncer/db_test.go
+++ b/syncer/db_test.go
@@ -275,7 +275,10 @@ func (s *testDBSuite) TestTimezone(c *C) {
 					continue
 				}
 
-				rowid := ev.Rows[0][0].(int32)
+				rowid, ok := ev.Rows[0][0].(int32)
+				if !ok { // events generated by other cases
+					continue
+				}
 				var ts sql.NullInt64
 				err2 := s.db.QueryRow(queryTs, rowid).Scan(&ts)
 				c.Assert(err2, IsNil)
diff --git a/syncer/ddl_test.go b/syncer/ddl_test.go
index 41be28f4e7..9769ead996 100644
--- a/syncer/ddl_test.go
+++ b/syncer/ddl_test.go
@@ -206,9 +206,11 @@ func (s *testSyncerSuite) TestresolveDDLSQL(c *C) {
 			DoDBs: []string{"s1"},
 		},
 	}
+	var err error
 	syncer := NewSyncer(cfg)
+	syncer.bwList, err = filter.New(syncer.cfg.CaseSensitive, syncer.cfg.BWList)
+	c.Assert(err, IsNil)
 
-	var err error
 	syncer.tableRouter, err = router.NewTableRouter(false, []*router.TableRule{
 		{
 			SchemaPattern: "s1",
@@ -334,7 +336,10 @@ func (s *testSyncerSuite) TestParseDDLSQL(c *C) {
 			IgnoreDBs: []string{"ignore_db"},
 		},
 	}
+	var err error
 	syncer := NewSyncer(cfg)
+	syncer.bwList, err = filter.New(syncer.cfg.CaseSensitive, syncer.cfg.BWList)
+	c.Assert(err, IsNil)
 
 	db, mock, err := sqlmock.New()
 	c.Assert(err, IsNil)
diff --git a/syncer/syncer.go b/syncer/syncer.go
index df902aeb2b..b47b1332ca 100644
--- a/syncer/syncer.go
+++ b/syncer/syncer.go
@@ -231,7 +231,6 @@ func NewSyncer(cfg *config.SubTaskConfig) *Syncer {
 	syncer.genColsCache = NewGenColCache()
 	syncer.c = newCausality()
 	syncer.done = nil
-	syncer.bwList = filter.New(cfg.CaseSensitive, cfg.BWList)
 	syncer.injectEventCh = make(chan *replication.BinlogEvent)
 	syncer.tracer = tracing.GetTracer()
 	syncer.setTimezone()
@@ -313,6 +312,11 @@ func (s *Syncer) Init() (err error) {
 	}
 	rollbackHolder.Add(fr.FuncRollback{Name: "close-DBs", Fn: s.closeDBs})
 
+	s.bwList, err = filter.New(s.cfg.CaseSensitive, s.cfg.BWList)
+	if err != nil {
+		return terror.ErrSyncerUnitNewBWList.Delegate(err)
+	}
+
 	s.binlogFilter, err = bf.NewBinlogEvent(s.cfg.CaseSensitive, s.cfg.FilterRules)
 	if err != nil {
 		return terror.ErrSyncerUnitNewBinlogEventFilter.Delegate(err)
@@ -2326,7 +2330,10 @@ func (s *Syncer) Update(cfg *config.SubTaskConfig) error {
 
 	// update black-white-list
 	oldBwList = s.bwList
-	s.bwList = filter.New(cfg.CaseSensitive, cfg.BWList)
+	s.bwList, err = filter.New(cfg.CaseSensitive, cfg.BWList)
+	if err != nil {
+		return terror.ErrSyncerUnitNewBWList.Delegate(err)
+	}
 
 	// update route
 	oldTableRouter = s.tableRouter
diff --git a/syncer/syncer_test.go b/syncer/syncer_test.go
index 98a9162888..ce7c58d779 100644
--- a/syncer/syncer_test.go
+++ b/syncer/syncer_test.go
@@ -266,6 +266,8 @@ func (s *testSyncerSuite) TestSelectDB(c *C) {
 	c.Assert(err, IsNil)
 
 	syncer := NewSyncer(s.cfg)
+	syncer.bwList, err = filter.New(syncer.cfg.CaseSensitive, syncer.cfg.BWList)
+	c.Assert(err, IsNil)
 	err = syncer.genRouter()
 	c.Assert(err, IsNil)
 
@@ -373,6 +375,8 @@ func (s *testSyncerSuite) TestSelectTable(c *C) {
 	c.Assert(err, IsNil)
 
 	syncer := NewSyncer(s.cfg)
+	syncer.bwList, err = filter.New(syncer.cfg.CaseSensitive, syncer.cfg.BWList)
+	c.Assert(err, IsNil)
 	syncer.genRouter()
 	i := 0
 	for _, e := range allEvents {
@@ -443,6 +447,8 @@ func (s *testSyncerSuite) TestIgnoreDB(c *C) {
 	c.Assert(err, IsNil)
 
 	syncer := NewSyncer(s.cfg)
+	syncer.bwList, err = filter.New(syncer.cfg.CaseSensitive, syncer.cfg.BWList)
+	c.Assert(err, IsNil)
 	syncer.genRouter()
 	i := 0
 	for _, e := range allEvents {
@@ -534,6 +540,8 @@ func (s *testSyncerSuite) TestIgnoreTable(c *C) {
 	c.Assert(err, IsNil)
 
 	syncer := NewSyncer(s.cfg)
+	syncer.bwList, err = filter.New(syncer.cfg.CaseSensitive, syncer.cfg.BWList)
+	c.Assert(err, IsNil)
 	syncer.genRouter()
 
 	i := 0