diff --git a/context.go b/context.go
index 23fa92f..c9586dd 100644
--- a/context.go
+++ b/context.go
@@ -267,11 +267,15 @@ func (c *Context) String(code int, format string, values ...interface{}) {
 func (c *Context) JSON(code int, obj interface{}) {
 	c.Writer.Header().Set("Content-Type", "application/json; charset=utf-8")
 	c.Writer.WriteHeader(code)
-	if err := json.MarshalWrite(c.Writer, obj); err != nil {
+	// JSON 编码
+	jsonBytes, err := json.Marshal(obj)
+	if err != nil {
 		c.AddError(fmt.Errorf("failed to marshal JSON: %w", err))
+		//c.String(http.StatusInternalServerError, "Internal Server Error: Failed to marshal JSON")
 		c.ErrorUseHandle(http.StatusInternalServerError, fmt.Errorf("failed to marshal JSON: %w", err))
 		return
 	}
+	c.Writer.Write(jsonBytes)
 }
 
 // GOB 向响应写入GOB数据
@@ -283,6 +287,7 @@ func (c *Context) GOB(code int, obj interface{}) {
 	encoder := gob.NewEncoder(c.Writer)
 	if err := encoder.Encode(obj); err != nil {
 		c.AddError(fmt.Errorf("failed to encode GOB: %w", err))
+		//c.String(http.StatusInternalServerError, "Internal Server Error: Failed to encode GOB")
 		c.ErrorUseHandle(http.StatusInternalServerError, fmt.Errorf("failed to encode GOB: %w", err))
 		return
 	}
@@ -302,6 +307,7 @@ func (c *Context) HTML(code int, name string, obj interface{}) {
 			err := tpl.ExecuteTemplate(c.Writer, name, obj)
 			if err != nil {
 				c.AddError(fmt.Errorf("failed to render HTML template '%s': %w", name, err))
+				//c.String(http.StatusInternalServerError, "Internal Server Error: Failed to render HTML template")
 				c.ErrorUseHandle(http.StatusInternalServerError, fmt.Errorf("failed to render HTML template '%s': %w", name, err))
 			}
 			return
@@ -327,6 +333,12 @@ func (c *Context) ShouldBindJSON(obj interface{}) error {
 	if c.Request.Body == nil {
 		return errors.New("request body is empty")
 	}
+	/*
+		decoder := json.NewDecoder(c.Request.Body)
+		if err := decoder.Decode(obj); err != nil {
+			return fmt.Errorf("json binding error: %w", err)
+		}
+	*/
 	err := json.UnmarshalRead(c.Request.Body, obj)
 	if err != nil {
 		return fmt.Errorf("json binding error: %w", err)
@@ -435,7 +447,7 @@ func (c *Context) GetReqBodyFull() ([]byte, error) {
 		return nil, nil
 	}
 	defer c.Request.Body.Close() // 确保请求体被关闭
-	data, err := copyb.ReadAll(c.Request.Body)
+	data, err := io.ReadAll(c.Request.Body)
 	if err != nil {
 		c.AddError(fmt.Errorf("failed to read request body: %w", err))
 		return nil, fmt.Errorf("failed to read request body: %w", err)
@@ -449,7 +461,7 @@ func (c *Context) GetReqBodyBuffer() (*bytes.Buffer, error) {
 		return nil, nil
 	}
 	defer c.Request.Body.Close() // 确保请求体被关闭
-	data, err := copyb.ReadAll(c.Request.Body)
+	data, err := io.ReadAll(c.Request.Body)
 	if err != nil {
 		c.AddError(fmt.Errorf("failed to read request body: %w", err))
 		return nil, fmt.Errorf("failed to read request body: %w", err)
diff --git a/engine.go b/engine.go
index 3d39cf0..babe365 100644
--- a/engine.go
+++ b/engine.go
@@ -554,6 +554,7 @@ func NotFound() HandlerFunc {
 	return func(c *Context) {
 		engine := c.engine
 		engine.errorHandle.handler(c, http.StatusNotFound, errors.New("not found"))
+		return
 	}
 }
 
diff --git a/go.mod b/go.mod
index 18194de..4fb176d 100644
--- a/go.mod
+++ b/go.mod
@@ -3,10 +3,10 @@ module github.com/infinite-iroha/touka
 go 1.24.4
 
 require (
-	github.com/WJQSERVER-STUDIO/go-utils/copyb v0.0.6
-	github.com/WJQSERVER-STUDIO/httpc v0.8.0
+	github.com/WJQSERVER-STUDIO/go-utils/copyb v0.0.4
+	github.com/WJQSERVER-STUDIO/httpc v0.7.1
 	github.com/fenthope/reco v0.0.3
-	github.com/go-json-experiment/json v0.0.0-20250626171732-1a886bd29d1b
+	github.com/go-json-experiment/json v0.0.0-20250517221953-25912455fbc8
 )
 
 require github.com/valyala/bytebufferpool v1.0.0 // indirect
diff --git a/go.sum b/go.sum
index f90f774..6e1be02 100644
--- a/go.sum
+++ b/go.sum
@@ -1,10 +1,12 @@
-github.com/WJQSERVER-STUDIO/go-utils/copyb v0.0.6 h1:/50VJYXd6jcu+p5BnEBDyiX0nAyGxas1W3DCnrYMxMY=
-github.com/WJQSERVER-STUDIO/go-utils/copyb v0.0.6/go.mod h1:FZ6XE+4TKy4MOfX1xWKe6Rwsg0ucYFCdNh1KLvyKTfc=
-github.com/WJQSERVER-STUDIO/httpc v0.8.0 h1:G7inJ5EEsg5+BkeFiNIo/6+Mj7Ygiq85yMT3Ld7frJY=
-github.com/WJQSERVER-STUDIO/httpc v0.8.0/go.mod h1:50297rvgppmgPbZEtWzTWgkomoqPREkGy9T3Y/NqN7o=
+github.com/WJQSERVER-STUDIO/go-utils/copyb v0.0.4 h1:JLtFd00AdFg/TP+dtvIzLkdHwKUGPOAijN1sMtEYoFg=
+github.com/WJQSERVER-STUDIO/go-utils/copyb v0.0.4/go.mod h1:FZ6XE+4TKy4MOfX1xWKe6Rwsg0ucYFCdNh1KLvyKTfc=
+github.com/WJQSERVER-STUDIO/httpc v0.7.0 h1:iHhqlxppJBjlmvsIjvLZKRbWXqSdbeSGGofjHGmqGJc=
+github.com/WJQSERVER-STUDIO/httpc v0.7.0/go.mod h1:M7KNUZjjhCkzzcg9lBPs9YfkImI+7vqjAyjdA19+joE=
+github.com/WJQSERVER-STUDIO/httpc v0.7.1 h1:D3NlfY52pwKIOSzkdRrLinUynyKELrcPZEO8QjlBq2M=
+github.com/WJQSERVER-STUDIO/httpc v0.7.1/go.mod h1:M7KNUZjjhCkzzcg9lBPs9YfkImI+7vqjAyjdA19+joE=
 github.com/fenthope/reco v0.0.3 h1:RmnQ0D9a8PWtwOODawitTe4BztTnS9wYwrDbipISNq4=
 github.com/fenthope/reco v0.0.3/go.mod h1:mDkGLHte5udWTIcjQTxrABRcf56SSdxBOCLgrRDwI/Y=
-github.com/go-json-experiment/json v0.0.0-20250626171732-1a886bd29d1b h1:ooF9/NzXkXL3OOLRwtPuQT/D7Kx2S5w/Kl1GnMF9h2s=
-github.com/go-json-experiment/json v0.0.0-20250626171732-1a886bd29d1b/go.mod h1:TiCD2a1pcmjd7YnhGH0f/zKNcCD06B029pHhzV23c2M=
+github.com/go-json-experiment/json v0.0.0-20250517221953-25912455fbc8 h1:o8UqXPI6SVwQt04RGsqKp3qqmbOfTNMqDrWsc4O47kk=
+github.com/go-json-experiment/json v0.0.0-20250517221953-25912455fbc8/go.mod h1:TiCD2a1pcmjd7YnhGH0f/zKNcCD06B029pHhzV23c2M=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=