diff --git a/.github/workflows/code-static-check.yml b/.github/workflows/code-static-check.yml
new file mode 100644
index 0000000..d0c2cb6
--- /dev/null
+++ b/.github/workflows/code-static-check.yml
@@ -0,0 +1,25 @@
+name: Code Static Check
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@1d96c772d19495a3b5c517cd2bc0cb401ea0529f # v4.1.3
+      - uses: bufbuild/buf-setup-action@9990c72db080fa39cf561230b8d2d7b736681f85 # v1.30.1
+        with:
+          version: "1.28.1"
+      - uses: actions/setup-go@v4
+        with:
+          go-version: 1.22.2
+      - name: Run Buf Lint
+        run: buf lint
+      - name: Run Buf format
+        run: buf format -d --exit-code
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3
diff --git a/buf.yaml b/buf.yaml
index 75e6afc..45d1085 100644
--- a/buf.yaml
+++ b/buf.yaml
@@ -3,3 +3,12 @@ name: buf.build/shibukazu/open-ve
 deps:
   - buf.build/googleapis/googleapis
   - buf.build/grpc-ecosystem/grpc-gateway
+breaking:
+  use:
+    - FILE
+lint:
+  use:
+    - DEFAULT
+  except:
+    - PACKAGE_VERSION_SUFFIX
+    - PACKAGE_DIRECTORY_MATCH
diff --git a/go/pkg/dsl/dsl.go b/go/pkg/dsl/dsl.go
index 33cdee9..2cfeefa 100644
--- a/go/pkg/dsl/dsl.go
+++ b/go/pkg/dsl/dsl.go
@@ -138,7 +138,7 @@ func (r *DSLReader) parseAndSaveDSL(dsl *DSL) error {
 			return err
 		}
 		if err := r.redis.Set(GetVariablesID(v.ID), variablesBytes, 0).Err(); err != nil {
-			failure.Translate(err, appError.ErrRedisOperationFailed)
+			return failure.Translate(err, appError.ErrRedisOperationFailed)
 		}
 
 		celVariables, err := ToCELVariables(v.Variables)
diff --git a/proto/dsl/v1/dsl.proto b/proto/dsl/v1/dsl.proto
index 02c86f1..c2d095f 100644
--- a/proto/dsl/v1/dsl.proto
+++ b/proto/dsl/v1/dsl.proto
@@ -5,32 +5,29 @@ import "google/api/annotations.proto";
 import "google/api/field_behavior.proto";
 import "protoc-gen-openapiv2/options/annotations.proto";
 
-
 option go_package = "proto/dsl/v1";
 
 message Validation {
-    string id = 1 [
-      (google.api.field_behavior) = REQUIRED,
-      (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_field) = {example: "\"price\""}
-    ];
-    string cel = 2 [
-      (google.api.field_behavior) = REQUIRED,
-      (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_field) = {example: "\"number % 3 == 0 || number < 5\""}
-    ];
-    repeated Variable variables = 3 [
-      (google.api.field_behavior) = REQUIRED
-    ];
+  string id = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_field) = {example: "\"price\""}
+  ];
+  string cel = 2 [
+    (google.api.field_behavior) = REQUIRED,
+    (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_field) = {example: "\"number % 3 == 0 || number < 5\""}
+  ];
+  repeated Variable variables = 3 [(google.api.field_behavior) = REQUIRED];
 }
 
 message Variable {
-    string name = 1 [
-      (google.api.field_behavior) = REQUIRED,
-      (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_field) = {example: "\"number\""}
-    ];
-    string type = 2 [
-      (google.api.field_behavior) = REQUIRED,
-      (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_field) = {example: "\"int\""}
-    ];
+  string name = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_field) = {example: "\"number\""}
+  ];
+  string type = 2 [
+    (google.api.field_behavior) = REQUIRED,
+    (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_field) = {example: "\"int\""}
+  ];
 }
 
 message RegisterRequest {
@@ -57,16 +54,14 @@ service DSLService {
       tags: ["DSL"]
       operation_id: "Register"
     };
-  };
+  }
   rpc Read(ReadRequest) returns (ReadResponse) {
-    option (google.api.http) = {
-      get: "/v1/dsl"
-    };
+    option (google.api.http) = {get: "/v1/dsl"};
 
     option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_operation) = {
       summary: "Read DSL"
       tags: ["DSL"]
       operation_id: "Read"
     };
-  };
+  }
 }
diff --git a/proto/openapi/v1/openapi.proto b/proto/openapi/v1/openapi.proto
index 874d94c..2ee14df 100644
--- a/proto/openapi/v1/openapi.proto
+++ b/proto/openapi/v1/openapi.proto
@@ -5,18 +5,17 @@ package openapi.v1;
 import "protoc-gen-openapiv2/options/annotations.proto";
 
 option go_package = "proto/validate/v1";
-
 option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_swagger) = {
   info: {
-    title: "Open-VE";
-    description: "Centralized and Consistent Data Validation Engine";
-    version: "1.0";
+    title: "Open-VE"
+    description: "Centralized and Consistent Data Validation Engine"
+    version: "1.0"
     contact: {
-      name: "Open-VE";
-      url: "https://github.com/shibukazu/open-ve";
-    };
-  };
-  consumes: "application/json";
-  produces: "application/json";
-  schemes: HTTPS;
-};
\ No newline at end of file
+      name: "Open-VE"
+      url: "https://github.com/shibukazu/open-ve"
+    }
+  }
+  consumes: "application/json"
+  produces: "application/json"
+  schemes: HTTPS
+};
diff --git a/proto/validate/v1/validate.proto b/proto/validate/v1/validate.proto
index bac058a..e7cae9b 100644
--- a/proto/validate/v1/validate.proto
+++ b/proto/validate/v1/validate.proto
@@ -1,9 +1,9 @@
 syntax = "proto3";
 package validate.v1;
 
-import "google/protobuf/any.proto";
 import "google/api/annotations.proto";
 import "google/api/field_behavior.proto";
+import "google/protobuf/any.proto";
 import "protoc-gen-openapiv2/options/annotations.proto";
 
 option go_package = "proto/validate/v1";
@@ -43,4 +43,4 @@ service ValidateService {
       operation_id: "Check"
     };
   }
-}
\ No newline at end of file
+}