diff --git a/.travis.yml b/.travis.yml
index bb9ed87..eb88fc8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,8 +8,8 @@ os:
 dist: bionic
 
 go:
-  - 1.11.x
-  - 1.12.x
+#  - 1.11.x
+#  - 1.12.x
   - 1.13.x
   - 1.14.x
 
@@ -22,7 +22,7 @@ before_install:
 
 install:
   - go get -u golang.org/x/lint/golint
-  - curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.24.0
+  - curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.26.0
   - curl -sfL https://raw.githubusercontent.com/reviewdog/reviewdog/master/install.sh | sh -s -- -b ~/bin
 
 script:
@@ -30,9 +30,9 @@ script:
     case $TRAVIS_OS_NAME in
       linux|osx)
         golint ./... | reviewdog -f=golint -reporter=github-check
-        golangci-lint run --out-format=line-number -E gofmt -E golint -E misspell -E lll | reviewdog -f=golangci-lint -reporter=github-check
+        golangci-lint run --out-format=line-number -E goimports -E misspell -E godot -E lll | reviewdog -f=golangci-lint -reporter=github-check
         golint ./... | reviewdog -f=golint -reporter=github-pr-review
-        golangci-lint run --out-format=line-number -E gofmt -E golint -E misspell -E lll | reviewdog -f=golangci-lint -reporter=github-pr-review
+        golangci-lint run --out-format=line-number -E goimports -E misspell -E godot -E lll | reviewdog -f=golangci-lint -reporter=github-pr-review
         ;;
     esac
   - go test -race -coverprofile=coverage.txt -covermode=atomic -v
diff --git a/ants_test.go b/ants_test.go
index cd74d2d..48c4577 100644
--- a/ants_test.go
+++ b/ants_test.go
@@ -38,12 +38,12 @@ const (
 	_   = 1 << (10 * iota)
 	KiB // 1024
 	MiB // 1048576
-	//GiB // 1073741824
-	//TiB // 1099511627776             (超过了int32的范围)
-	//PiB // 1125899906842624
-	//EiB // 1152921504606846976
-	//ZiB // 1180591620717411303424    (超过了int64的范围)
-	//YiB // 1208925819614629174706176
+	// GiB // 1073741824
+	// TiB // 1099511627776             (超过了int32的范围)
+	// PiB // 1125899906842624
+	// EiB // 1152921504606846976
+	// ZiB // 1180591620717411303424    (超过了int64的范围)
+	// YiB // 1208925819614629174706176
 )
 
 const (
@@ -192,6 +192,7 @@ func TestAntsPoolWithFuncGetWorkerFromCachePreMalloc(t *testing.T) {
 //-------------------------------------------------------------------------------------------
 // Contrast between goroutines without a pool and goroutines with ants pool.
 //-------------------------------------------------------------------------------------------
+
 func TestNoPool(t *testing.T) {
 	var wg sync.WaitGroup
 	for i := 0; i < n; i++ {