diff --git a/.github/workflows/dev.yml b/.github/workflows/dev.yml
new file mode 100644
index 00000000..1c0b0a62
--- /dev/null
+++ b/.github/workflows/dev.yml
@@ -0,0 +1,44 @@
+name: Dev
+on: [push]
+jobs:
+  dev-build:
+    if: ${{ !contains(github.event.head_commit.message, '[Skip CI]') }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Get latest go version
+        id: version
+        run: |
+          echo ::set-output name=go_version::$(curl -s https://raw.githubusercontent.com/actions/go-versions/main/versions-manifest.json | grep -oE '"version": "[0-9]{1}.[0-9]{1,}(.[0-9]{1,})?"' | head -1 | cut -d':' -f2 | sed 's/ //g; s/"//g')
+      - name: Setup Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: ${{ steps.version.outputs.go_version }}
+
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v2
+
+      - name: Cache go module
+        uses: actions/cache@v2
+        with:
+          path: ~/go/pkg/mod
+          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-
+#      - name: Get dependencies, run test
+#        run: |
+#          go test ./...
+      - name: Build
+        if: success()
+        env:
+          NAME: Clash.Meta
+          BINDIR: bin
+        run: make -j releases
+
+      - name: Upload Dev
+        uses: softprops/action-gh-release@v1
+        if: ${{ env.GIT_BRANCH != 'Meta' && success() }}
+        with:
+          tag_name: develop
+          files: bin/*
+          prerelease: true
+
diff --git a/adapter/inbound/socket.go b/adapter/inbound/socket.go
index f761bd9b..ebb2095e 100644
--- a/adapter/inbound/socket.go
+++ b/adapter/inbound/socket.go
@@ -26,10 +26,20 @@ func NewInner(conn net.Conn, dst string, host string) *context.ConnContext {
 	metadata.NetWork = C.TCP
 	metadata.Type = C.INNER
 	metadata.DNSMode = C.DNSMapping
-	metadata.AddrType = C.AtypDomainName
 	metadata.Host = host
-	if _, port, err := parseAddr(dst); err == nil {
+	metadata.AddrType = C.AtypDomainName
+	metadata.Process = C.ClashName
+	if ip, port, err := parseAddr(dst); err == nil {
 		metadata.DstPort = port
+		if host == "" {
+			metadata.DstIP = ip
+			if ip.To4() == nil {
+				metadata.AddrType = C.AtypIPv6
+			} else {
+				metadata.AddrType = C.AtypIPv4
+			}
+		}
 	}
+
 	return context.NewConnContext(conn, metadata)
 }
diff --git a/constant/version.go b/constant/version.go
index 5a511382..1d4e6e7b 100644
--- a/constant/version.go
+++ b/constant/version.go
@@ -5,4 +5,5 @@ var (
 	Version      = "1.9.0"
 	BuildTime    = "unknown time"
 	AutoIptables string
+	ClashName    = "Clash.Meta"
 )
diff --git a/rule/common/process.go b/rule/common/process.go
index 9481e1fc..51e12ef5 100644
--- a/rule/common/process.go
+++ b/rule/common/process.go
@@ -35,26 +35,28 @@ func (ps *Process) Match(metadata *C.Metadata) bool {
 	}
 
 	key := fmt.Sprintf("%s:%s:%s", metadata.NetWork.String(), metadata.SrcIP.String(), metadata.SrcPort)
-	cached, hit := processCache.Get(key)
-	if !hit {
-		srcPort, err := strconv.Atoi(metadata.SrcPort)
-		if err != nil {
-			processCache.Set(key, "")
-			return false
+	if strings.TrimSpace(metadata.Process) == "" {
+		cached, hit := processCache.Get(key)
+		if !hit {
+			srcPort, err := strconv.Atoi(metadata.SrcPort)
+			if err != nil {
+				processCache.Set(key, "")
+				return false
+			}
+
+			name, err := process.FindProcessName(metadata.NetWork.String(), metadata.SrcIP, srcPort)
+			if err != nil {
+				log.Debugln("[Rule] find process name %s error: %s", C.Process.String(), err.Error())
+			}
+
+			processCache.Set(key, name)
+
+			cached = name
 		}
 
-		name, err := process.FindProcessName(metadata.NetWork.String(), metadata.SrcIP, srcPort)
-		if err != nil {
-			log.Debugln("[Rule] find process name %s error: %s", C.Process.String(), err.Error())
-		}
-
-		processCache.Set(key, name)
-
-		cached = name
+		metadata.Process = cached.(string)
 	}
 
-	metadata.Process = cached.(string)
-
 	return strings.EqualFold(metadata.Process, ps.process)
 }
 
diff --git a/rule/logic/and.go b/rule/logic/and.go
index f75de048..01862e51 100644
--- a/rule/logic/and.go
+++ b/rule/logic/and.go
@@ -11,7 +11,7 @@ type AND struct {
 
 func NewAND(payload string, adapter string) (*AND, error) {
 	and := &AND{payload: payload, adapter: adapter}
-	rules, err := parseRule(payload)
+	rules, err := parseRuleByPayload(payload)
 	if err != nil {
 		return nil, err
 	}
diff --git a/rule/logic/common.go b/rule/logic/common.go
index 4c1aa44c..11d67915 100644
--- a/rule/logic/common.go
+++ b/rule/logic/common.go
@@ -10,63 +10,29 @@ import (
 	"strings"
 )
 
-func parseRule(payload string) ([]C.Rule, error) {
+func parseRuleByPayload(payload string) ([]C.Rule, error) {
 	regex, err := regexp.Compile("\\(.*\\)")
 	if err != nil {
 		return nil, err
 	}
 
 	if regex.MatchString(payload) {
-		subRanges, err := format(payload)
+		subAllRanges, err := format(payload)
 		if err != nil {
 			return nil, err
 		}
-		rules := make([]C.Rule, 0, len(subRanges))
+		rules := make([]C.Rule, 0, len(subAllRanges))
+
+		subRanges := findSubRuleRange(payload, subAllRanges)
+		for _, subRange := range subRanges {
+			subPayload := payload[subRange.start+1 : subRange.end]
 
-		if len(subRanges) == 1 {
-			subPayload := payload[subRanges[0].start+1 : subRanges[0].end-1]
 			rule, err := payloadToRule(subPayload)
 			if err != nil {
 				return nil, err
 			}
 
 			rules = append(rules, rule)
-		} else {
-			preStart := subRanges[0].start
-			preEnd := subRanges[0].end
-			for _, sr := range subRanges[1:] {
-				if containRange(sr, preStart, preEnd) && sr.start-preStart > 1 {
-					str := ""
-					if preStart+1 <= sr.start-1 {
-						str = strings.TrimSpace(payload[preStart+1 : sr.start-1])
-					}
-
-					if str == "AND" || str == "OR" || str == "NOT" {
-						subPayload := payload[preStart+1 : preEnd]
-						rule, err := payloadToRule(subPayload)
-						if err != nil {
-							return nil, err
-						}
-
-						rules = append(rules, rule)
-						preStart = sr.start
-						preEnd = sr.end
-					}
-
-					continue
-				}
-
-				preStart = sr.start
-				preEnd = sr.end
-
-				subPayload := payload[sr.start+1 : sr.end]
-				rule, err := payloadToRule(subPayload)
-				if err != nil {
-					return nil, err
-				}
-
-				rules = append(rules, rule)
-			}
 		}
 
 		return rules, nil
@@ -84,23 +50,14 @@ func payloadToRule(subPayload string) (C.Rule, error) {
 	tp := splitStr[0]
 	payload := splitStr[1]
 	if tp == "NOT" || tp == "OR" || tp == "AND" {
-		return parseSubRule(tp, payload, nil)
+		return parseRule(tp, payload, nil)
 	}
 
 	param := strings.Split(payload, ",")
-	return parseSubRule(tp, param[0], param[1:])
+	return parseRule(tp, param[0], param[1:])
 }
 
-func splitSubRule(subRuleStr string) (string, string, []string, error) {
-	typeAndRule := strings.Split(subRuleStr, ",")
-	if len(typeAndRule) < 2 {
-		return "", "", nil, fmt.Errorf("format error:[%s]", typeAndRule)
-	}
-
-	return strings.TrimSpace(typeAndRule[0]), strings.TrimSpace(typeAndRule[1]), typeAndRule[2:], nil
-}
-
-func parseSubRule(tp, payload string, params []string) (C.Rule, error) {
+func parseRule(tp, payload string, params []string) (C.Rule, error) {
 	var (
 		parseErr error
 		parsed   C.Rule
@@ -183,3 +140,29 @@ func format(payload string) ([]Range, error) {
 
 	return sortResult, nil
 }
+
+func findSubRuleRange(payload string, ruleRanges []Range) []Range {
+	payloadLen := len(payload)
+	subRuleRange := make([]Range, 0)
+	for _, rr := range ruleRanges {
+		if rr.start == 0 && rr.end == payloadLen-1 {
+			// 最大范围跳过
+			continue
+		}
+
+		containInSub := false
+		for _, r := range subRuleRange {
+			if containRange(rr, r.start, r.end) {
+				// The subRuleRange contains a range of rr, which is the next level node of the tree
+				containInSub = true
+				break
+			}
+		}
+
+		if !containInSub {
+			subRuleRange = append(subRuleRange, rr)
+		}
+	}
+
+	return subRuleRange
+}
diff --git a/rule/logic/not.go b/rule/logic/not.go
index 94ca0e3c..79102d4e 100644
--- a/rule/logic/not.go
+++ b/rule/logic/not.go
@@ -13,7 +13,7 @@ type NOT struct {
 
 func NewNOT(payload string, adapter string) (*NOT, error) {
 	not := &NOT{payload: payload, adapter: adapter}
-	rule, err := parseRule(payload)
+	rule, err := parseRuleByPayload(payload)
 	if err != nil {
 		return nil, err
 	}
diff --git a/rule/logic/or.go b/rule/logic/or.go
index fb38a20f..3822e315 100644
--- a/rule/logic/or.go
+++ b/rule/logic/or.go
@@ -41,7 +41,7 @@ func (or *OR) RuleExtra() *C.RuleExtra {
 
 func NewOR(payload string, adapter string) (*OR, error) {
 	or := &OR{payload: payload, adapter: adapter}
-	rules, err := parseRule(payload)
+	rules, err := parseRuleByPayload(payload)
 	if err != nil {
 		return nil, err
 	}