diff --git a/main/commands/all/api/api.go b/main/commands/all/api/api.go
index 1e7493bfe..dc0fa5e49 100644
--- a/main/commands/all/api/api.go
+++ b/main/commands/all/api/api.go
@@ -16,9 +16,5 @@ var CmdAPI = &base.Command{
 		cmdBalancerCheck,
 		cmdBalancerInfo,
 		cmdBalancerOverride,
-		cmdAddInbounds,
-		cmdAddOutbounds,
-		cmdRemoveInbounds,
-		cmdRemoveOutbounds,
 	},
 }
diff --git a/main/commands/all/api/inbounds_add.go b/main/commands/all/api/jsonv4/inbounds_add.go
similarity index 85%
rename from main/commands/all/api/inbounds_add.go
rename to main/commands/all/api/jsonv4/inbounds_add.go
index f4a16b48b..9dbd8b1c3 100644
--- a/main/commands/all/api/inbounds_add.go
+++ b/main/commands/all/api/jsonv4/inbounds_add.go
@@ -1,7 +1,8 @@
-package api
+package jsonv4
 
 import (
 	"fmt"
+	"github.com/v2fly/v2ray-core/v4/main/commands/all/api"
 
 	handlerService "github.com/v2fly/v2ray-core/v4/app/proxyman/command"
 	"github.com/v2fly/v2ray-core/v4/main/commands/base"
@@ -43,10 +44,10 @@ Example:
 }
 
 func executeAddInbounds(cmd *base.Command, args []string) {
-	setSharedFlags(cmd)
-	setSharedConfigFlags(cmd)
+	api.SetSharedFlags(cmd)
+	api.SetSharedConfigFlags(cmd)
 	cmd.Flag.Parse(args)
-	c, err := helpers.LoadConfig(cmd.Flag.Args(), apiConfigFormat, apiConfigRecursively)
+	c, err := helpers.LoadConfig(cmd.Flag.Args(), api.ApiConfigFormat, api.ApiConfigRecursively)
 	if err != nil {
 		base.Fatalf("failed to load: %s", err)
 	}
@@ -54,7 +55,7 @@ func executeAddInbounds(cmd *base.Command, args []string) {
 		base.Fatalf("no valid inbound found")
 	}
 
-	conn, ctx, close := dialAPIServer()
+	conn, ctx, close := api.DialAPIServer()
 	defer close()
 
 	client := handlerService.NewHandlerServiceClient(conn)
diff --git a/main/commands/all/api/inbounds_remove.go b/main/commands/all/api/jsonv4/inbounds_remove.go
similarity index 86%
rename from main/commands/all/api/inbounds_remove.go
rename to main/commands/all/api/jsonv4/inbounds_remove.go
index 63291c8b7..f262eabf3 100644
--- a/main/commands/all/api/inbounds_remove.go
+++ b/main/commands/all/api/jsonv4/inbounds_remove.go
@@ -1,7 +1,8 @@
-package api
+package jsonv4
 
 import (
 	"fmt"
+	"github.com/v2fly/v2ray-core/v4/main/commands/all/api"
 
 	handlerService "github.com/v2fly/v2ray-core/v4/app/proxyman/command"
 	"github.com/v2fly/v2ray-core/v4/main/commands/base"
@@ -47,8 +48,8 @@ Example:
 }
 
 func executeRemoveInbounds(cmd *base.Command, args []string) {
-	setSharedFlags(cmd)
-	setSharedConfigFlags(cmd)
+	api.SetSharedFlags(cmd)
+	api.SetSharedConfigFlags(cmd)
 	isTags := cmd.Flag.Bool("tags", false, "")
 	cmd.Flag.Parse(args)
 
@@ -56,7 +57,7 @@ func executeRemoveInbounds(cmd *base.Command, args []string) {
 	if *isTags {
 		tags = cmd.Flag.Args()
 	} else {
-		c, err := helpers.LoadConfig(cmd.Flag.Args(), apiConfigFormat, apiConfigRecursively)
+		c, err := helpers.LoadConfig(cmd.Flag.Args(), api.ApiConfigFormat, api.ApiConfigRecursively)
 		if err != nil {
 			base.Fatalf("failed to load: %s", err)
 		}
@@ -69,7 +70,7 @@ func executeRemoveInbounds(cmd *base.Command, args []string) {
 		base.Fatalf("no inbound to remove")
 	}
 
-	conn, ctx, close := dialAPIServer()
+	conn, ctx, close := api.DialAPIServer()
 	defer close()
 
 	client := handlerService.NewHandlerServiceClient(conn)
diff --git a/main/commands/all/api/jsonv4/init.go b/main/commands/all/api/jsonv4/init.go
new file mode 100644
index 000000000..dd0c9aa8a
--- /dev/null
+++ b/main/commands/all/api/jsonv4/init.go
@@ -0,0 +1,12 @@
+package jsonv4
+
+import "github.com/v2fly/v2ray-core/v4/main/commands/all/api"
+
+func init() {
+	api.CmdAPI.Commands = append(api.CmdAPI.Commands,
+		cmdAddInbounds,
+		cmdAddOutbounds,
+		cmdRemoveInbounds,
+		cmdRemoveOutbounds)
+
+}
diff --git a/main/commands/all/api/outbounds_add.go b/main/commands/all/api/jsonv4/outbounds_add.go
similarity index 85%
rename from main/commands/all/api/outbounds_add.go
rename to main/commands/all/api/jsonv4/outbounds_add.go
index c70bdcca0..0b791a2c8 100644
--- a/main/commands/all/api/outbounds_add.go
+++ b/main/commands/all/api/jsonv4/outbounds_add.go
@@ -1,7 +1,8 @@
-package api
+package jsonv4
 
 import (
 	"fmt"
+	"github.com/v2fly/v2ray-core/v4/main/commands/all/api"
 
 	handlerService "github.com/v2fly/v2ray-core/v4/app/proxyman/command"
 	"github.com/v2fly/v2ray-core/v4/main/commands/base"
@@ -43,10 +44,10 @@ Example:
 }
 
 func executeAddOutbounds(cmd *base.Command, args []string) {
-	setSharedFlags(cmd)
-	setSharedConfigFlags(cmd)
+	api.SetSharedFlags(cmd)
+	api.SetSharedConfigFlags(cmd)
 	cmd.Flag.Parse(args)
-	c, err := helpers.LoadConfig(cmd.Flag.Args(), apiConfigFormat, apiConfigRecursively)
+	c, err := helpers.LoadConfig(cmd.Flag.Args(), api.ApiConfigFormat, api.ApiConfigRecursively)
 	if err != nil {
 		base.Fatalf("failed to load: %s", err)
 	}
@@ -54,7 +55,7 @@ func executeAddOutbounds(cmd *base.Command, args []string) {
 		base.Fatalf("no valid outbound found")
 	}
 
-	conn, ctx, close := dialAPIServer()
+	conn, ctx, close := api.DialAPIServer()
 	defer close()
 
 	client := handlerService.NewHandlerServiceClient(conn)
diff --git a/main/commands/all/api/outbounds_remove.go b/main/commands/all/api/jsonv4/outbounds_remove.go
similarity index 87%
rename from main/commands/all/api/outbounds_remove.go
rename to main/commands/all/api/jsonv4/outbounds_remove.go
index 2a536c548..e41a058a0 100644
--- a/main/commands/all/api/outbounds_remove.go
+++ b/main/commands/all/api/jsonv4/outbounds_remove.go
@@ -1,7 +1,8 @@
-package api
+package jsonv4
 
 import (
 	"fmt"
+	"github.com/v2fly/v2ray-core/v4/main/commands/all/api"
 
 	handlerService "github.com/v2fly/v2ray-core/v4/app/proxyman/command"
 	"github.com/v2fly/v2ray-core/v4/main/commands/base"
@@ -47,8 +48,8 @@ Example:
 }
 
 func executeRemoveOutbounds(cmd *base.Command, args []string) {
-	setSharedFlags(cmd)
-	setSharedConfigFlags(cmd)
+	api.SetSharedFlags(cmd)
+	api.SetSharedConfigFlags(cmd)
 	isTags := cmd.Flag.Bool("tags", false, "")
 	cmd.Flag.Parse(args)
 
@@ -56,7 +57,7 @@ func executeRemoveOutbounds(cmd *base.Command, args []string) {
 	if *isTags {
 		tags = cmd.Flag.Args()
 	} else {
-		c, err := helpers.LoadConfig(cmd.Flag.Args(), apiConfigFormat, apiConfigRecursively)
+		c, err := helpers.LoadConfig(cmd.Flag.Args(), api.ApiConfigFormat, api.ApiConfigRecursively)
 		if err != nil {
 			base.Fatalf("failed to load: %s", err)
 		}
@@ -69,7 +70,7 @@ func executeRemoveOutbounds(cmd *base.Command, args []string) {
 		base.Fatalf("no outbound to remove")
 	}
 
-	conn, ctx, close := dialAPIServer()
+	conn, ctx, close := api.DialAPIServer()
 	defer close()
 
 	client := handlerService.NewHandlerServiceClient(conn)
diff --git a/main/commands/all/api/shared.go b/main/commands/all/api/shared.go
index 0bd6913ad..a525385ae 100644
--- a/main/commands/all/api/shared.go
+++ b/main/commands/all/api/shared.go
@@ -16,13 +16,20 @@ import (
 )
 
 var (
-	apiServerAddrPtr     string
-	apiTimeout           int
-	apiJSON              bool
-	apiConfigFormat      string
-	apiConfigRecursively bool
+	apiServerAddrPtr string
+	apiTimeout       int
+	apiJSON          bool
+	// ApiConfigFormat is an internal variable
+	ApiConfigFormat string
+	// ApiConfigRecursively is an internal variable
+	ApiConfigRecursively bool
 )
 
+// SetSharedFlags is an internal API
+func SetSharedFlags(cmd *base.Command) {
+	setSharedFlags(cmd)
+}
+
 func setSharedFlags(cmd *base.Command) {
 	cmd.Flag.StringVar(&apiServerAddrPtr, "s", "127.0.0.1:8080", "")
 	cmd.Flag.StringVar(&apiServerAddrPtr, "server", "127.0.0.1:8080", "")
@@ -31,9 +38,19 @@ func setSharedFlags(cmd *base.Command) {
 	cmd.Flag.BoolVar(&apiJSON, "json", false, "")
 }
 
+// SetSharedConfigFlags is an internal API
+func SetSharedConfigFlags(cmd *base.Command) {
+	setSharedConfigFlags(cmd)
+}
+
 func setSharedConfigFlags(cmd *base.Command) {
-	cmd.Flag.StringVar(&apiConfigFormat, "format", core.FormatAuto, "")
-	cmd.Flag.BoolVar(&apiConfigRecursively, "r", false, "")
+	cmd.Flag.StringVar(&ApiConfigFormat, "format", core.FormatAuto, "")
+	cmd.Flag.BoolVar(&ApiConfigRecursively, "r", false, "")
+}
+
+// SetSharedFlags is an internal API
+func DialAPIServer() (conn *grpc.ClientConn, ctx context.Context, close func()) {
+	return dialAPIServer()
 }
 
 func dialAPIServer() (conn *grpc.ClientConn, ctx context.Context, close func()) {
diff --git a/main/commands/all/commands.go b/main/commands/all/commands.go
index 321557736..afa00354c 100644
--- a/main/commands/all/commands.go
+++ b/main/commands/all/commands.go
@@ -12,7 +12,6 @@ func init() {
 	base.RootCommand.Commands = append(
 		base.RootCommand.Commands,
 		api.CmdAPI,
-		cmdConvert,
 		cmdLove,
 		tls.CmdTLS,
 		cmdUUID,
diff --git a/main/commands/all/convert.go b/main/commands/all/jsonv4/convert.go
similarity index 99%
rename from main/commands/all/convert.go
rename to main/commands/all/jsonv4/convert.go
index 317c5b67d..223ad4c28 100644
--- a/main/commands/all/convert.go
+++ b/main/commands/all/jsonv4/convert.go
@@ -1,12 +1,12 @@
-package all
+package jsonv4
 
 import (
 	"bytes"
 	"encoding/json"
+	"github.com/pelletier/go-toml"
 	"os"
 	"strings"
 
-	"github.com/pelletier/go-toml"
 	"google.golang.org/protobuf/proto"
 
 	core "github.com/v2fly/v2ray-core/v4"
diff --git a/main/commands/all/jsonv4/init.go b/main/commands/all/jsonv4/init.go
new file mode 100644
index 000000000..7bdd0d93e
--- /dev/null
+++ b/main/commands/all/jsonv4/init.go
@@ -0,0 +1,7 @@
+package jsonv4
+
+import "github.com/v2fly/v2ray-core/v4/main/commands/base"
+
+func init() {
+	base.RegisterCommand(cmdConvert)
+}