diff --git a/.github/workflows/job_sync.yml b/.github/workflows/job_sync.yml
index d0f7aa1..c99e919 100644
--- a/.github/workflows/job_sync.yml
+++ b/.github/workflows/job_sync.yml
@@ -11,42 +11,84 @@ jobs:
     if: github.server_url != 'https://github.com'
     runs-on: ubuntu-latest
     steps:
-    - name: init
-      run: |
-        git config --global user.email "vtolstov <vtolstov@users.noreply.github.com>"
-        git config --global user.name "github-actions[bot]"
-        echo "machine git.unistack.org login vtolstov password ${{ secrets.TOKEN_GITEA }}" >> /root/.netrc
-        echo "machine github.com login vtolstov password ${{ secrets.TOKEN_GITHUB }}" >> /root/.netrc
+      - name: init
+        run: |
+          git config --global user.email "vtolstov <vtolstov@users.noreply.github.com>"
+          git config --global user.name "github-actions[bot]"
+          echo "machine git.unistack.org login vtolstov password ${{ secrets.TOKEN_GITEA }}" >> /root/.netrc
+          echo "machine github.com login vtolstov password ${{ secrets.TOKEN_GITHUB }}" >> /root/.netrc
 
-    - name: sync master
-      run: |
-        git clone --filter=blob:none --filter=tree:0 --branch master --single-branch ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} repo
-        cd repo
-        git remote add --no-tags --fetch --track master upstream https://github.com/${GITHUB_REPOSITORY}
-        git pull --rebase upstream master
-        git push upstream master --progress
-        git push origin master --progress
-        cd ../
-        rm -rf repo
+      - name: check master
+        id: check_master
+        run: |
+          src_hash=$(git ls-remote https://github.com/${GITHUB_REPOSITORY} refs/heads/master | cut -f1)
+          dst_hash=$(git ls-remote ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} refs/heads/master | cut -f1)
+          echo "src_hash=$src_hash"
+          echo "dst_hash=$dst_hash"
+          if [ "$src_hash" != "$dst_hash" -a "$src_hash" != "" -a "$dst_hash" != "" ]; then
+            echo "sync_needed=true" >> $GITHUB_OUTPUT
+          else
+            echo "sync_needed=false" >> $GITHUB_OUTPUT
+          fi
 
-    - name: sync v3
-      run: |
-        git clone --filter=blob:none --filter=tree:0 --branch v3 --single-branch ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} repo
-        cd repo
-        git remote add --no-tags --fetch --track v3 upstream https://github.com/${GITHUB_REPOSITORY}
-        git pull --rebase upstream v3
-        git push upstream v3 --progress
-        git push origin v3 --progress
-        cd ../
-        rm -rf repo
+      - name: sync master
+        if: steps.check_master.outputs.sync_needed == 'true'
+        run: |
+          git clone --filter=blob:none --filter=tree:0 --branch master --single-branch ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} repo
+          cd repo
+          git remote add --no-tags --fetch --track master upstream https://github.com/${GITHUB_REPOSITORY}
+          git pull --rebase upstream master
+          git push upstream master --progress
+          git push origin master --progress
+          cd ../
+          rm -rf repo
 
-    - name: sync v4
-      run: |
-        git clone --filter=blob:none --filter=tree:0 --branch v4 --single-branch ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} repo
-        cd repo
-        git remote add --no-tags --fetch --track v4 upstream https://github.com/${GITHUB_REPOSITORY}
-        git pull --rebase upstream v4
-        git push upstream v4 --progress
-        git push origin v4 --progress
-        cd ../
-        rm -rf repo
+      - name: check v3
+        id: check_v3
+        run: |
+          src_hash=$(git ls-remote https://github.com/${GITHUB_REPOSITORY} refs/heads/v3 | cut -f1)
+          dst_hash=$(git ls-remote ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} refs/heads/v3 | cut -f1)
+          echo "src_hash=$src_hash"
+          echo "dst_hash=$dst_hash"
+          if [ "$src_hash" != "$dst_hash" ]; then
+            echo "sync_needed=true" >> $GITHUB_OUTPUT
+          else
+            echo "sync_needed=false" >> $GITHUB_OUTPUT
+          fi
+
+      - name: sync v3
+        if: steps.check_v3.outputs.sync_needed == 'true'
+        run: |
+          git clone --filter=blob:none --filter=tree:0 --branch v3 --single-branch ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} repo
+          cd repo
+          git remote add --no-tags --fetch --track v3 upstream https://github.com/${GITHUB_REPOSITORY}
+          git pull --rebase upstream v3
+          git push upstream v3 --progress
+          git push origin v3 --progress
+          cd ../
+          rm -rf repo
+
+      - name: check v4
+        id: check_v4
+        run: |
+          src_hash=$(git ls-remote https://github.com/${GITHUB_REPOSITORY} refs/heads/v4 | cut -f1)
+          dst_hash=$(git ls-remote ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} refs/heads/v4 | cut -f1)
+          echo "src_hash=$src_hash"
+          echo "dst_hash=$dst_hash"
+          if [ "$src_hash" != "$dst_hash" ]; then
+            echo "sync_needed=true" >> $GITHUB_OUTPUT
+          else
+            echo "sync_needed=false" >> $GITHUB_OUTPUT
+          fi
+
+      - name: sync v4
+        if: steps.check_v4.outputs.sync_needed == 'true'
+        run: |
+          git clone --filter=blob:none --filter=tree:0 --branch v4 --single-branch ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} repo
+          cd repo
+          git remote add --no-tags --fetch --track v4 upstream https://github.com/${GITHUB_REPOSITORY}
+          git pull --rebase upstream v4
+          git push upstream v4 --progress
+          git push origin v4 --progress
+          cd ../
+          rm -rf repo
diff --git a/.gitignore b/.gitignore
index 66fd13c..ad367ea 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,9 @@
+# Develop tools
+/.vscode/
+/.idea/
+.idea
+.vscode
+
 # Binaries for programs and plugins
 *.exe
 *.exe~
@@ -5,11 +11,29 @@
 *.so
 *.dylib
 
-# Test binary, built with `go test -c`
+# Folders
+_obj
+_test
+_build
+.DS_Store
+
+# Architecture specific extensions/prefixes
+*.[568vq]
+[568vq].out
+
+*.cgo1.go
+*.cgo2.c
+_cgo_defun.c
+_cgo_gotypes.go
+_cgo_export.*
+
+# Test binary, build with `go test -c`
 *.test
 
 # Output of the go coverage tool, specifically when used with LiteIDE
 *.out
 
-# Dependency directories (remove the comment below to include it)
-# vendor/
+# vim temp files
+*~
+*.swp
+*.swo
\ No newline at end of file
diff --git a/go.mod b/go.mod
index f77f26f..d65aaf7 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,6 @@ toolchain go1.24.0
 require (
 	github.com/vmihailenco/msgpack/v5 v5.4.1
 	go.unistack.org/micro-proto/v4 v4.1.0
-	go.unistack.org/micro/v3 v3.10.88
 	go.unistack.org/micro/v4 v4.1.2
 )
 
@@ -18,7 +17,6 @@ require (
 	github.com/kr/pretty v0.3.1 // indirect
 	github.com/matoous/go-nanoid v1.5.1 // indirect
 	github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
-	go.unistack.org/micro-proto/v3 v3.4.1 // indirect
 	google.golang.org/protobuf v1.36.3 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
diff --git a/go.sum b/go.sum
index 97e76af..8527bf3 100644
--- a/go.sum
+++ b/go.sum
@@ -27,12 +27,8 @@ github.com/vmihailenco/msgpack/v5 v5.4.1 h1:cQriyiUvjTwOHg8QZaPihLWeRAAVoCpE00IU
 github.com/vmihailenco/msgpack/v5 v5.4.1/go.mod h1:GaZTsDaehaPpQVyxrf5mtQlH+pc21PIudVV/E3rRQok=
 github.com/vmihailenco/tagparser/v2 v2.0.0 h1:y09buUbR+b5aycVFQs/g70pqKVZNBmxwAhO7/IwNM9g=
 github.com/vmihailenco/tagparser/v2 v2.0.0/go.mod h1:Wri+At7QHww0WTrCBeu4J6bNtoV6mEfg5OIWRZA9qds=
-go.unistack.org/micro-proto/v3 v3.4.1 h1:UTjLSRz2YZuaHk9iSlVqqsA50JQNAEK2ZFboGqtEa9Q=
-go.unistack.org/micro-proto/v3 v3.4.1/go.mod h1:okx/cnOhzuCX0ggl/vToatbCupi0O44diiiLLsZ93Zo=
 go.unistack.org/micro-proto/v4 v4.1.0 h1:qPwL2n/oqh9RE3RTTDgt28XK3QzV597VugQPaw9lKUk=
 go.unistack.org/micro-proto/v4 v4.1.0/go.mod h1:ArmK7o+uFvxSY3dbJhKBBX4Pm1rhWdLEFf3LxBrMtec=
-go.unistack.org/micro/v3 v3.10.88 h1:MxlzP+77Y6Kphb3lzHxROL4XfE/WdCQMQpnPv4D9Z8U=
-go.unistack.org/micro/v3 v3.10.88/go.mod h1:erMgt3Bl7vQQ0e9UpQyR5NlLiZ9pKeEJ9+1tfYFaqUg=
 go.unistack.org/micro/v4 v4.1.2 h1:9SOlPYyPNNFpg1A7BsvhDyQm3gysLH1AhWbDCp1hyoY=
 go.unistack.org/micro/v4 v4.1.2/go.mod h1:lr3oYED8Ay1vjK68QqRw30QOtdk/ffpZqMFDasOUhKw=
 google.golang.org/protobuf v1.36.3 h1:82DV7MYdb8anAVi3qge1wSnMDrnKK7ebr+I0hHRN1BU=