A: v1.6.1

Author: Shuo

internal/base/base.go

@@ -10,7 +10,6 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
-	"sync"
 )
 
 // CmdName - base.CmdName
@@ -19,11 +18,8 @@ const (
 	URL     = "https://github.com/openset/leetcode/tree/master"
 )
 
-// base var
-var (
-	Commands []*Command
-	Mutex    sync.Mutex
-)
+// Commands - base.Commands
+var Commands []*Command
 
 // Command - base.Command
 type Command struct {

internal/leetcode/topic_tag.go

@@ -9,12 +9,13 @@ import (
 	"regexp"
 	"sort"
 	"strconv"
+	"sync"
 
-	"github.com/openset/leetcode/internal/base"
 	"github.com/openset/leetcode/internal/client"
 )
 
 var (
+	mu       sync.Mutex
 	initTags []TagType
 	tagsFile = filepath.Join("tag", "tags.json")
 )
@@ -135,10 +136,10 @@ func GetTopicTag(slug string) (tt TopicTagType) {
 }
 
 func saveTags(tags []TagType) {
-	base.Mutex.Lock()
+	mu.Lock()
+	defer mu.Unlock()
 	tags = append(GetTags(), tags...)
 	filePutContents(tagsFile, jsonEncode(tagsUnique(tags)))
-	base.Mutex.Unlock()
 }
 
 func tagsUnique(tags []TagType) []TagType {

internal/version/version.go

@@ -8,7 +8,7 @@ import (
 	"github.com/openset/leetcode/internal/base"
 )
 
-const version = "1.6.0"
+const version = "1.6.1"
 
 // CmdVersion - version.CmdVersion
 var CmdVersion = &base.Command{