diff --git a/adk/backend/agentkit/sandbox.go b/adk/backend/agentkit/sandbox.go
index 0cc3d4970..a1f6f6cbd 100644
--- a/adk/backend/agentkit/sandbox.go
+++ b/adk/backend/agentkit/sandbox.go
@@ -104,7 +104,7 @@ type Config struct {
 	ExecutionTimeout int
 }
 
-type sandboxToolBackend struct {
+type SandboxToolBackend struct {
 	secretAccessKey  string
 	accessKeyID      string
 	baseURL          string
@@ -117,14 +117,14 @@ type sandboxToolBackend struct {
 	executionTimeout int
 }
 
-// NewSandboxToolBackend creates a new sandboxToolBackend instance.
-// sandboxToolBackend refers to the sandbox running instance created by the sandbox tool in Volcengine.
+// NewSandboxToolBackend creates a new SandboxToolBackend instance.
+// SandboxToolBackend refers to the sandbox running instance created by the sandbox tool in Volcengine.
 // For creating a sandbox tool environment, please refer to: https://www.volcengine.com/docs/86681/1847934?lang=zh;
 // For creating a sandbox tool running instance, please refer to: https://www.volcengine.com/docs/86681/1860266?lang=zh.
 // Note: The execution paths within the sandbox environment may be subject to permission restrictions (read, write, execute, etc.).
 // Improper path selection can result in operation failures or permission errors.
 // It is recommended to perform operations within paths where the sandbox environment has explicit permissions to mitigate permission-related risks.
-func NewSandboxToolBackend(config *Config) (filesystem.Backend, error) {
+func NewSandboxToolBackend(config *Config) (*SandboxToolBackend, error) {
 	if config.AccessKeyID == "" {
 		return nil, fmt.Errorf("AccessKeyID is required")
 	}
@@ -159,7 +159,7 @@ func NewSandboxToolBackend(config *Config) (filesystem.Backend, error) {
 		return nil, fmt.Errorf("invalid region: %s", region)
 	}
 
-	return &sandboxToolBackend{
+	return &SandboxToolBackend{
 		accessKeyID:      config.AccessKeyID,
 		secretAccessKey:  config.SecretAccessKey,
 		httpClient:       httpClient,
@@ -174,7 +174,7 @@ func NewSandboxToolBackend(config *Config) (filesystem.Backend, error) {
 }
 
 // LsInfo lists file information under the given path.
-func (s *sandboxToolBackend) LsInfo(ctx context.Context, req *filesystem.LsInfoRequest) ([]filesystem.FileInfo, error) {
+func (s *SandboxToolBackend) LsInfo(ctx context.Context, req *filesystem.LsInfoRequest) ([]filesystem.FileInfo, error) {
 	path, err := formatPath(req.Path, "/", true)
 	if err != nil {
 		return nil, err
@@ -216,7 +216,7 @@ func (s *sandboxToolBackend) LsInfo(ctx context.Context, req *filesystem.LsInfoR
 }
 
 // Read reads file content with support for line-based offset and limit.
-func (s *sandboxToolBackend) Read(ctx context.Context, req *filesystem.ReadRequest) (string, error) {
+func (s *SandboxToolBackend) Read(ctx context.Context, req *filesystem.ReadRequest) (string, error) {
 	path, err := formatPath(req.FilePath, "", true)
 	if err != nil {
 		return "", err
@@ -251,7 +251,7 @@ func (s *sandboxToolBackend) Read(ctx context.Context, req *filesystem.ReadReque
 }
 
 // GrepRaw searches for content matching the specified pattern in files.
-func (s *sandboxToolBackend) GrepRaw(ctx context.Context, req *filesystem.GrepRequest) ([]filesystem.GrepMatch, error) {
+func (s *SandboxToolBackend) GrepRaw(ctx context.Context, req *filesystem.GrepRequest) ([]filesystem.GrepMatch, error) {
 	path, _ := formatPath(req.Path, "", false)
 	params := map[string]any{
 		"pattern":      req.Pattern,
@@ -292,7 +292,7 @@ func (s *sandboxToolBackend) GrepRaw(ctx context.Context, req *filesystem.GrepRe
 }
 
 // GlobInfo returns file information matching the glob pattern.
-func (s *sandboxToolBackend) GlobInfo(ctx context.Context, req *filesystem.GlobInfoRequest) ([]filesystem.FileInfo, error) {
+func (s *SandboxToolBackend) GlobInfo(ctx context.Context, req *filesystem.GlobInfoRequest) ([]filesystem.FileInfo, error) {
 	path, _ := formatPath(req.Path, "/", false)
 	params := map[string]any{
 		"path_b64":    base64.StdEncoding.EncodeToString([]byte(path)),
@@ -330,7 +330,7 @@ func (s *sandboxToolBackend) GlobInfo(ctx context.Context, req *filesystem.GlobI
 }
 
 // Write creates file content.
-func (s *sandboxToolBackend) Write(ctx context.Context, req *filesystem.WriteRequest) error {
+func (s *SandboxToolBackend) Write(ctx context.Context, req *filesystem.WriteRequest) error {
 	path, err := formatPath(req.FilePath, "", true)
 	if err != nil {
 		return err
@@ -358,7 +358,7 @@ func (s *sandboxToolBackend) Write(ctx context.Context, req *filesystem.WriteReq
 }
 
 // Edit replaces string occurrences in a file.
-func (s *sandboxToolBackend) Edit(ctx context.Context, req *filesystem.EditRequest) error {
+func (s *SandboxToolBackend) Edit(ctx context.Context, req *filesystem.EditRequest) error {
 	path, err := formatPath(req.FilePath, "", true)
 	if err != nil {
 		return err
@@ -401,7 +401,7 @@ func (s *sandboxToolBackend) Edit(ctx context.Context, req *filesystem.EditReque
 }
 
 // execute executes a command in the sandbox.
-func (s *sandboxToolBackend) execute(ctx context.Context, command string) (text string, exitCode *int, err error) {
+func (s *SandboxToolBackend) execute(ctx context.Context, command string) (text string, exitCode *int, err error) {
 	var operationPayload string
 	if s.executionTimeout <= 0 {
 		operationPayload, err = sonic.MarshalString(map[string]any{
@@ -473,7 +473,7 @@ func (s *sandboxToolBackend) execute(ctx context.Context, command string) (text
 	return text, exitCode, nil
 }
 
-func (s *sandboxToolBackend) invokeTool(ctx context.Context, method string, body []byte) ([]byte, error) {
+func (s *SandboxToolBackend) invokeTool(ctx context.Context, method string, body []byte) ([]byte, error) {
 	queries := make(url.Values)
 	queries.Set("Action", "InvokeTool")
 	queries.Set("Version", "2025-10-30")
@@ -506,7 +506,7 @@ func (s *sandboxToolBackend) invokeTool(ctx context.Context, method string, body
 	return responseBody, nil
 }
 
-func (s *sandboxToolBackend) signRequest(request *http.Request, queries url.Values, body []byte) {
+func (s *SandboxToolBackend) signRequest(request *http.Request, queries url.Values, body []byte) {
 	now := time.Now()
 	date := now.UTC().Format("20060102T150405Z")
 	authDate := date[:8]
@@ -558,7 +558,7 @@ func (s *sandboxToolBackend) signRequest(request *http.Request, queries url.Valu
 	request.Header.Set("Authorization", authorization)
 }
 
-func (s *sandboxToolBackend) Execute(ctx context.Context, input *filesystem.ExecuteRequest) (result *filesystem.ExecuteResponse, err error) {
+func (s *SandboxToolBackend) Execute(ctx context.Context, input *filesystem.ExecuteRequest) (result *filesystem.ExecuteResponse, err error) {
 	if input.Command == "" {
 		return nil, fmt.Errorf("command is required")
 	}
diff --git a/adk/backend/agentkit/sandbox_test.go b/adk/backend/agentkit/sandbox_test.go
index afcf3b492..f507f9587 100644
--- a/adk/backend/agentkit/sandbox_test.go
+++ b/adk/backend/agentkit/sandbox_test.go
@@ -40,8 +40,8 @@ func TestNewArkSandbox(t *testing.T) {
 			SessionTTL:       3600,
 			ExecutionTimeout: 60,
 		}
-		ss, err := NewSandboxToolBackend(config)
-		s := ss.(*sandboxToolBackend)
+		s, err := NewSandboxToolBackend(config)
+
 		require.NoError(t, err)
 		require.NotNil(t, s)
 		assert.Equal(t, "test-ak", s.accessKeyID)
@@ -61,8 +61,8 @@ func TestNewArkSandbox(t *testing.T) {
 			ToolID:          "test-tool",
 			UserSessionID:   "test-session",
 		}
-		ss, err := NewSandboxToolBackend(config)
-		s := ss.(*sandboxToolBackend)
+		s, err := NewSandboxToolBackend(config)
+
 		require.NoError(t, err)
 		require.NotNil(t, s)
 		assert.Equal(t, RegionOfBeijing, s.region)
@@ -115,7 +115,7 @@ func TestNewArkSandbox(t *testing.T) {
 var mockAPIHandler http.HandlerFunc
 
 // setupTest creates a mock server and an ArkSandbox client configured to use it.
-func setupTest(t *testing.T) (*sandboxToolBackend, *httptest.Server) {
+func setupTest(t *testing.T) (*SandboxToolBackend, *httptest.Server) {
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		if mockAPIHandler != nil {
 			mockAPIHandler(w, r)
@@ -131,8 +131,7 @@ func setupTest(t *testing.T) (*sandboxToolBackend, *httptest.Server) {
 		UserSessionID:   "test-session",
 		HTTPClient:      server.Client(),
 	}
-	ss, err := NewSandboxToolBackend(config)
-	sandbox := ss.(*sandboxToolBackend)
+	sandbox, err := NewSandboxToolBackend(config)
 	require.NoError(t, err)
 	sandbox.baseURL = server.URL // Override to point to the mock server
 
diff --git a/adk/backend/local/go.sum b/adk/backend/local/go.sum
index 3c6f590a6..61eda81d8 100644
--- a/adk/backend/local/go.sum
+++ b/adk/backend/local/go.sum
@@ -16,10 +16,6 @@ github.com/bytedance/sonic/loader v0.3.0/go.mod h1:N8A3vUdtUebEY2/VQC0MyhYeKUFos
 github.com/certifi/gocertifi v0.0.0-20190105021004-abcd57078448/go.mod h1:GJKEexRPVJrBSOjoqN5VNOIKJ5Q3RViH6eu3puDRwx4=
 github.com/cloudwego/base64x v0.1.6 h1:t11wG9AECkCDk5fMSoxmufanudBtJ+/HemLstXDLI2M=
 github.com/cloudwego/base64x v0.1.6/go.mod h1:OFcloc187FXDaYHvrNIjxSe8ncn0OOM8gEHfghB2IPU=
-github.com/cloudwego/eino v0.7.19 h1:KoA3KHoZ3adQI0nvC0EBR7tpeu/Ks69n+baRMOQGLqA=
-github.com/cloudwego/eino v0.7.19/go.mod h1:nA8Vacmuqv3pqKBQbTWENBLQ8MmGmPt/WqiyLeB8ohQ=
-github.com/cloudwego/eino v0.7.26 h1:FD8xnhd8WyV495eJs0Rka8aHnknqj/ljq3ZbwGH/SiQ=
-github.com/cloudwego/eino v0.7.26/go.mod h1:nA8Vacmuqv3pqKBQbTWENBLQ8MmGmPt/WqiyLeB8ohQ=
 github.com/cloudwego/eino v0.7.27 h1:pHxpvpQjAqez+yPgxxX0V298YmJd5cDQqCBAn8XnJYo=
 github.com/cloudwego/eino v0.7.27/go.mod h1:nA8Vacmuqv3pqKBQbTWENBLQ8MmGmPt/WqiyLeB8ohQ=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
diff --git a/adk/backend/local/local.go b/adk/backend/local/local.go
index cd5fdbf20..0e51b53c5 100644
--- a/adk/backend/local/local.go
+++ b/adk/backend/local/local.go
@@ -40,7 +40,7 @@ type Config struct {
 	ValidateCommand func(string) error
 }
 
-type backend struct {
+type Backend struct {
 	validateCommand func(string) error
 }
 
@@ -48,14 +48,14 @@ var defaultValidateCommand = func(string) error {
 	return nil
 }
 
-// NewBackend creates a new local filesystem backend instance.
+// NewBackend creates a new local filesystem Backend instance.
 //
 // IMPORTANT - System Compatibility:
 //   - Supported: Unix/MacOS only
 //   - NOT Supported: Windows (requires custom implementation of Backend)
 //   - Command Execution: Uses /bin/sh by default for Execute method
 //   - If /bin/sh does not meet your requirements, please implement your own Backend
-func NewBackend(_ context.Context, cfg *Config) (filesystem.Backend, error) {
+func NewBackend(_ context.Context, cfg *Config) (*Backend, error) {
 	if cfg == nil {
 		return nil, errors.New("config is required")
 	}
@@ -65,12 +65,12 @@ func NewBackend(_ context.Context, cfg *Config) (filesystem.Backend, error) {
 		validateCommand = cfg.ValidateCommand
 	}
 
-	return &backend{
+	return &Backend{
 		validateCommand: validateCommand,
 	}, nil
 }
 
-func (s *backend) LsInfo(ctx context.Context, req *filesystem.LsInfoRequest) ([]filesystem.FileInfo, error) {
+func (s *Backend) LsInfo(ctx context.Context, req *filesystem.LsInfoRequest) ([]filesystem.FileInfo, error) {
 	if req.Path == "" {
 		req.Path = defaultRootPath
 	}
@@ -105,7 +105,7 @@ func (s *backend) LsInfo(ctx context.Context, req *filesystem.LsInfoRequest) ([]
 	return files, nil
 }
 
-func (s *backend) Read(ctx context.Context, req *filesystem.ReadRequest) (string, error) {
+func (s *Backend) Read(ctx context.Context, req *filesystem.ReadRequest) (string, error) {
 	path := filepath.Clean(req.FilePath)
 	if !filepath.IsAbs(path) {
 		return "", fmt.Errorf("path must be an absolute path: %s", path)
@@ -160,7 +160,7 @@ func (s *backend) Read(ctx context.Context, req *filesystem.ReadRequest) (string
 	return result.String(), nil
 }
 
-func (s *backend) GrepRaw(ctx context.Context, req *filesystem.GrepRequest) ([]filesystem.GrepMatch, error) {
+func (s *Backend) GrepRaw(ctx context.Context, req *filesystem.GrepRequest) ([]filesystem.GrepMatch, error) {
 	path := filepath.Clean(req.Path)
 
 	var matches []filesystem.GrepMatch
@@ -232,7 +232,7 @@ func (s *backend) GrepRaw(ctx context.Context, req *filesystem.GrepRequest) ([]f
 	return matches, nil
 }
 
-func (s *backend) GlobInfo(ctx context.Context, req *filesystem.GlobInfoRequest) ([]filesystem.FileInfo, error) {
+func (s *Backend) GlobInfo(ctx context.Context, req *filesystem.GlobInfoRequest) ([]filesystem.FileInfo, error) {
 	if req.Path == "" {
 		req.Path = defaultRootPath
 	}
@@ -337,7 +337,7 @@ func globToRegex(pattern string) (*regexp.Regexp, error) {
 	return regexp.Compile(pattern)
 }
 
-func (s *backend) Write(ctx context.Context, req *filesystem.WriteRequest) error {
+func (s *Backend) Write(ctx context.Context, req *filesystem.WriteRequest) error {
 	if !filepath.IsAbs(req.FilePath) {
 		return fmt.Errorf("path must be an absolute path: %s", req.FilePath)
 	}
@@ -364,7 +364,7 @@ func (s *backend) Write(ctx context.Context, req *filesystem.WriteRequest) error
 	return nil
 }
 
-func (s *backend) Edit(ctx context.Context, req *filesystem.EditRequest) error {
+func (s *Backend) Edit(ctx context.Context, req *filesystem.EditRequest) error {
 	path := filepath.Clean(req.FilePath)
 	if !filepath.IsAbs(path) {
 		return fmt.Errorf("path must be an absolute path: %s", path)
@@ -403,7 +403,7 @@ func (s *backend) Edit(ctx context.Context, req *filesystem.EditRequest) error {
 	return os.WriteFile(path, []byte(newText), 0644)
 }
 
-func (s *backend) ExecuteStreaming(ctx context.Context, input *filesystem.ExecuteRequest) (result *schema.StreamReader[*filesystem.ExecuteResponse], err error) {
+func (s *Backend) ExecuteStreaming(ctx context.Context, input *filesystem.ExecuteRequest) (result *schema.StreamReader[*filesystem.ExecuteResponse], err error) {
 	if input.Command == "" {
 		return nil, fmt.Errorf("command is required")
 	}
diff --git a/adk/backend/local/local_test.go b/adk/backend/local/local_test.go
index e499c2657..149083a45 100644
--- a/adk/backend/local/local_test.go
+++ b/adk/backend/local/local_test.go
@@ -20,7 +20,6 @@ import (
 	"context"
 	"fmt"
 	"os"
-	"os/exec"
 	"path/filepath"
 	"strings"
 	"testing"
@@ -465,7 +464,7 @@ func TestExecuteStreaming(t *testing.T) {
 
 	t.Run("ExecuteStreaming with echo", func(t *testing.T) {
 		req := &filesystem.ExecuteRequest{Command: "echo line1 && echo line2 && echo line3"}
-		sr, err := s.(*backend).ExecuteStreaming(ctx, req)
+		sr, err := s.ExecuteStreaming(ctx, req)
 		assert.NoError(t, err)
 
 		var outputs []string
@@ -487,7 +486,7 @@ func TestExecuteStreaming(t *testing.T) {
 
 	t.Run("ExecuteStreaming with ping", func(t *testing.T) {
 		req := &filesystem.ExecuteRequest{Command: "ping -c 3 127.0.0.1"}
-		sr, err := s.(*backend).ExecuteStreaming(ctx, req)
+		sr, err := s.ExecuteStreaming(ctx, req)
 		assert.NoError(t, err)
 
 		var lineCount int
@@ -506,7 +505,7 @@ func TestExecuteStreaming(t *testing.T) {
 
 	t.Run("ExecuteStreaming with seq command", func(t *testing.T) {
 		req := &filesystem.ExecuteRequest{Command: "seq 1 5"}
-		sr, err := s.(*backend).ExecuteStreaming(ctx, req)
+		sr, err := s.ExecuteStreaming(ctx, req)
 		assert.NoError(t, err)
 
 		var numbers []string
@@ -530,7 +529,7 @@ func TestExecuteStreaming(t *testing.T) {
 		defer cancel()
 
 		req := &filesystem.ExecuteRequest{Command: "seq 1 1000000"}
-		sr, err := s.(*backend).ExecuteStreaming(cancelCtx, req)
+		sr, err := s.ExecuteStreaming(cancelCtx, req)
 		assert.NoError(t, err)
 
 		var lineCount int
@@ -552,7 +551,7 @@ func TestExecuteStreaming(t *testing.T) {
 
 	t.Run("ExecuteStreaming with command failure", func(t *testing.T) {
 		req := &filesystem.ExecuteRequest{Command: "echo output && exit 1"}
-		sr, err := s.(*backend).ExecuteStreaming(ctx, req)
+		sr, err := s.ExecuteStreaming(ctx, req)
 		assert.NoError(t, err)
 
 		var hasOutput bool
@@ -575,7 +574,7 @@ func TestExecuteStreaming(t *testing.T) {
 
 	t.Run("ExecuteStreaming with stderr output", func(t *testing.T) {
 		req := &filesystem.ExecuteRequest{Command: "echo stdout && echo stderr >&2 && exit 1"}
-		sr, err := s.(*backend).ExecuteStreaming(ctx, req)
+		sr, err := s.ExecuteStreaming(ctx, req)
 		assert.NoError(t, err)
 
 		var outputs []string
@@ -600,14 +599,14 @@ func TestExecuteStreaming(t *testing.T) {
 
 	t.Run("ExecuteStreaming with empty command", func(t *testing.T) {
 		req := &filesystem.ExecuteRequest{Command: ""}
-		_, err := s.(*backend).ExecuteStreaming(ctx, req)
+		_, err := s.ExecuteStreaming(ctx, req)
 		assert.Error(t, err)
 		assert.Contains(t, err.Error(), "command is required")
 	})
 
 	t.Run("ExecuteStreaming with large output", func(t *testing.T) {
 		req := &filesystem.ExecuteRequest{Command: "seq 1 100"}
-		sr, err := s.(*backend).ExecuteStreaming(ctx, req)
+		sr, err := s.ExecuteStreaming(ctx, req)
 		assert.NoError(t, err)
 
 		var lineCount int
@@ -626,7 +625,7 @@ func TestExecuteStreaming(t *testing.T) {
 
 	t.Run("ExecuteStreaming with normal completion", func(t *testing.T) {
 		req := &filesystem.ExecuteRequest{Command: "echo test"}
-		sr, err := s.(*backend).ExecuteStreaming(ctx, req)
+		sr, err := s.ExecuteStreaming(ctx, req)
 		assert.NoError(t, err)
 
 		var receivedOutput bool
@@ -645,7 +644,7 @@ func TestExecuteStreaming(t *testing.T) {
 
 	t.Run("ExecuteStreaming with invalid command", func(t *testing.T) {
 		req := &filesystem.ExecuteRequest{Command: "/nonexistent/command"}
-		sr, err := s.(*backend).ExecuteStreaming(ctx, req)
+		sr, err := s.ExecuteStreaming(ctx, req)
 		assert.NoError(t, err)
 
 		var lastErr error
@@ -665,7 +664,7 @@ func TestExecuteStreaming(t *testing.T) {
 
 	t.Run("ExecuteStreaming with no stdout output", func(t *testing.T) {
 		req := &filesystem.ExecuteRequest{Command: "true"}
-		sr, err := s.(*backend).ExecuteStreaming(ctx, req)
+		sr, err := s.ExecuteStreaming(ctx, req)
 		assert.NoError(t, err)
 
 		var receivedResponse bool
@@ -688,10 +687,3 @@ func TestExecuteStreaming(t *testing.T) {
 		assert.Equal(t, 0, *exitCode, "exit code should be 0 for successful command")
 	})
 }
-
-func TestExecute1(t *testing.T) {
-	fs := strings.Fields("ls -al")
-	bs, err := exec.Command(fs[0], fs[1:]...).Output()
-	assert.NoError(t, err)
-	fmt.Println(string(bs))
-}
diff --git a/components/model/ark/go.mod b/components/model/ark/go.mod
index eb5fc0298..e4b772719 100644
--- a/components/model/ark/go.mod
+++ b/components/model/ark/go.mod
@@ -3,7 +3,7 @@ module github.com/cloudwego/eino-ext/components/model/ark
 go 1.18
 
 require (
-	github.com/bytedance/mockey v1.2.14
+	github.com/bytedance/mockey v1.4.4
 	github.com/bytedance/sonic v1.14.1
 	github.com/cloudwego/eino v0.7.13
 	github.com/eino-contrib/jsonschema v1.0.3
diff --git a/components/model/ark/go.sum b/components/model/ark/go.sum
index ebafce721..9d9b1f78f 100644
--- a/components/model/ark/go.sum
+++ b/components/model/ark/go.sum
@@ -12,8 +12,8 @@ github.com/bugsnag/bugsnag-go v1.4.0/go.mod h1:2oa8nejYd4cQ/b0hMIopN0lCRxU0bueqR
 github.com/bugsnag/panicwrap v1.2.0/go.mod h1:D/8v3kj0zr8ZAKg1AQ6crr+5VwKN5eIywRkfhyM/+dE=
 github.com/bytedance/gopkg v0.1.3 h1:TPBSwH8RsouGCBcMBktLt1AymVo2TVsBVCY4b6TnZ/M=
 github.com/bytedance/gopkg v0.1.3/go.mod h1:576VvJ+eJgyCzdjS+c4+77QF3p7ubbtiKARP3TxducM=
-github.com/bytedance/mockey v1.2.14 h1:KZaFgPdiUwW+jOWFieo3Lr7INM1P+6adO3hxZhDswY8=
-github.com/bytedance/mockey v1.2.14/go.mod h1:1BPHF9sol5R1ud/+0VEHGQq/+i2lN+GTsr3O2Q9IENY=
+github.com/bytedance/mockey v1.4.4 h1:tRLGNutqx/xJ2D1K6qDkVQXpqNCPMFdq2ozGguVA+Yc=
+github.com/bytedance/mockey v1.4.4/go.mod h1:1BPHF9sol5R1ud/+0VEHGQq/+i2lN+GTsr3O2Q9IENY=
 github.com/bytedance/sonic v1.14.1 h1:FBMC0zVz5XUmE4z9wF4Jey0An5FueFvOsTKKKtwIl7w=
 github.com/bytedance/sonic v1.14.1/go.mod h1:gi6uhQLMbTdeP0muCnrjHLeCUPyb70ujhnNlhOylAFc=
 github.com/bytedance/sonic/loader v0.3.0 h1:dskwH8edlzNMctoruo8FPTJDF3vLtDT0sXZwvZJyqeA=
@@ -136,8 +136,6 @@ github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS
 github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08=
 github.com/volcengine/volc-sdk-golang v1.0.23 h1:anOslb2Qp6ywnsbyq9jqR0ljuO63kg9PY+4OehIk5R8=
 github.com/volcengine/volc-sdk-golang v1.0.23/go.mod h1:AfG/PZRUkHJ9inETvbjNifTDgut25Wbkm2QoYBTbvyU=
-github.com/volcengine/volcengine-go-sdk v1.1.49 h1:jkk3Zt6uFGiZshrVshsdRvadzuHIf4nLkekIZM+wLkY=
-github.com/volcengine/volcengine-go-sdk v1.1.49/go.mod h1:oxoVo+A17kvkwPkIeIHPVLjSw7EQAm+l/Vau1YGHN+A=
 github.com/volcengine/volcengine-go-sdk v1.2.9 h1:du2gnImtyWXKkQFnJW/GXCs+UBibGGOXIbP1Ams2pB8=
 github.com/volcengine/volcengine-go-sdk v1.2.9/go.mod h1:oxoVo+A17kvkwPkIeIHPVLjSw7EQAm+l/Vau1YGHN+A=
 github.com/wk8/go-ordered-map/v2 v2.1.8 h1:5h/BUHu93oj4gIdvHHHGsScSTMijfx5PeYkE/fJgbpc=
diff --git a/components/model/claude/go.mod b/components/model/claude/go.mod
index 9d0b67df4..0963c971f 100644
--- a/components/model/claude/go.mod
+++ b/components/model/claude/go.mod
@@ -6,7 +6,7 @@ require (
 	github.com/anthropics/anthropic-sdk-go v1.4.0
 	github.com/aws/aws-sdk-go-v2/config v1.29.1
 	github.com/aws/aws-sdk-go-v2/credentials v1.17.54
-	github.com/bytedance/mockey v1.2.13
+	github.com/bytedance/mockey v1.4.4
 	github.com/cloudwego/eino v0.7.13
 	github.com/eino-contrib/jsonschema v1.0.3
 	github.com/stretchr/testify v1.10.0
diff --git a/components/model/claude/go.sum b/components/model/claude/go.sum
index 0d40d364d..2f072e759 100644
--- a/components/model/claude/go.sum
+++ b/components/model/claude/go.sum
@@ -47,8 +47,8 @@ github.com/bugsnag/bugsnag-go v1.4.0/go.mod h1:2oa8nejYd4cQ/b0hMIopN0lCRxU0bueqR
 github.com/bugsnag/panicwrap v1.2.0/go.mod h1:D/8v3kj0zr8ZAKg1AQ6crr+5VwKN5eIywRkfhyM/+dE=
 github.com/bytedance/gopkg v0.1.3 h1:TPBSwH8RsouGCBcMBktLt1AymVo2TVsBVCY4b6TnZ/M=
 github.com/bytedance/gopkg v0.1.3/go.mod h1:576VvJ+eJgyCzdjS+c4+77QF3p7ubbtiKARP3TxducM=
-github.com/bytedance/mockey v1.2.13 h1:jokWZAm/pUEbD939Rhznz615MKUCZNuvCFQlJ2+ntoo=
-github.com/bytedance/mockey v1.2.13/go.mod h1:1BPHF9sol5R1ud/+0VEHGQq/+i2lN+GTsr3O2Q9IENY=
+github.com/bytedance/mockey v1.4.4 h1:tRLGNutqx/xJ2D1K6qDkVQXpqNCPMFdq2ozGguVA+Yc=
+github.com/bytedance/mockey v1.4.4/go.mod h1:1BPHF9sol5R1ud/+0VEHGQq/+i2lN+GTsr3O2Q9IENY=
 github.com/bytedance/sonic v1.14.1 h1:FBMC0zVz5XUmE4z9wF4Jey0An5FueFvOsTKKKtwIl7w=
 github.com/bytedance/sonic v1.14.1/go.mod h1:gi6uhQLMbTdeP0muCnrjHLeCUPyb70ujhnNlhOylAFc=
 github.com/bytedance/sonic/loader v0.3.0 h1:dskwH8edlzNMctoruo8FPTJDF3vLtDT0sXZwvZJyqeA=
diff --git a/components/model/gemini/go.mod b/components/model/gemini/go.mod
index 780f28619..f732dcffa 100644
--- a/components/model/gemini/go.mod
+++ b/components/model/gemini/go.mod
@@ -3,10 +3,11 @@ module github.com/cloudwego/eino-ext/components/model/gemini
 go 1.24
 
 require (
-	github.com/bytedance/mockey v1.2.13
+	github.com/bytedance/mockey v1.4.4
 	github.com/bytedance/sonic v1.14.1
 	github.com/cloudwego/eino v0.7.13
 	github.com/eino-contrib/jsonschema v1.0.3
+	github.com/google/uuid v1.6.0
 	github.com/stretchr/testify v1.10.0
 	github.com/wk8/go-ordered-map/v2 v2.1.8
 	google.golang.org/genai v1.36.0
@@ -26,7 +27,6 @@ require (
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/google/s2a-go v0.1.8 // indirect
-	github.com/google/uuid v1.6.0 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.3.4 // indirect
 	github.com/goph/emperror v0.17.2 // indirect
 	github.com/gopherjs/gopherjs v1.17.2 // indirect
diff --git a/components/model/gemini/go.sum b/components/model/gemini/go.sum
index 0cae6c011..978b4ada3 100644
--- a/components/model/gemini/go.sum
+++ b/components/model/gemini/go.sum
@@ -17,8 +17,8 @@ github.com/bugsnag/bugsnag-go v1.4.0/go.mod h1:2oa8nejYd4cQ/b0hMIopN0lCRxU0bueqR
 github.com/bugsnag/panicwrap v1.2.0/go.mod h1:D/8v3kj0zr8ZAKg1AQ6crr+5VwKN5eIywRkfhyM/+dE=
 github.com/bytedance/gopkg v0.1.3 h1:TPBSwH8RsouGCBcMBktLt1AymVo2TVsBVCY4b6TnZ/M=
 github.com/bytedance/gopkg v0.1.3/go.mod h1:576VvJ+eJgyCzdjS+c4+77QF3p7ubbtiKARP3TxducM=
-github.com/bytedance/mockey v1.2.13 h1:jokWZAm/pUEbD939Rhznz615MKUCZNuvCFQlJ2+ntoo=
-github.com/bytedance/mockey v1.2.13/go.mod h1:1BPHF9sol5R1ud/+0VEHGQq/+i2lN+GTsr3O2Q9IENY=
+github.com/bytedance/mockey v1.4.4 h1:tRLGNutqx/xJ2D1K6qDkVQXpqNCPMFdq2ozGguVA+Yc=
+github.com/bytedance/mockey v1.4.4/go.mod h1:1BPHF9sol5R1ud/+0VEHGQq/+i2lN+GTsr3O2Q9IENY=
 github.com/bytedance/sonic v1.14.1 h1:FBMC0zVz5XUmE4z9wF4Jey0An5FueFvOsTKKKtwIl7w=
 github.com/bytedance/sonic v1.14.1/go.mod h1:gi6uhQLMbTdeP0muCnrjHLeCUPyb70ujhnNlhOylAFc=
 github.com/bytedance/sonic/loader v0.3.0 h1:dskwH8edlzNMctoruo8FPTJDF3vLtDT0sXZwvZJyqeA=