diff --git a/context.go b/context.go
index b6fbd46..c1e2bb8 100644
--- a/context.go
+++ b/context.go
@@ -23,7 +23,6 @@ import (
 	"sync"
 	"time"
 
-	"github.com/WJQSERVER/wanf"
 	"github.com/fenthope/reco"
 	"github.com/go-json-experiment/json"
 
@@ -43,7 +42,7 @@ type Context struct {
 	index    int8          // 当前执行到处理链的哪个位置
 
 	mu   sync.RWMutex
-	Keys map[string]any // 用于在中间件之间传递数据
+	Keys map[string]interface{} // 用于在中间件之间传递数据
 
 	Errors []error // 用于收集处理过程中的错误
 
@@ -78,18 +77,20 @@ func (c *Context) reset(w http.ResponseWriter, req *http.Request) {
 	} else {
 		c.Writer = newResponseWriter(w)
 	}
+	//c.Writer = newResponseWriter(w)
 
 	c.Request = req
 	c.Params = c.Params[:0] // 清空 Params 切片，而不是重新分配，以复用底层数组
 	c.handlers = nil
 	c.index = -1                          // 初始为 -1，`Next()` 将其设置为 0
-	c.Keys = make(map[string]any)         // 每次请求重新创建 map，避免数据污染
+	c.Keys = make(map[string]interface{}) // 每次请求重新创建 map，避免数据污染
 	c.Errors = c.Errors[:0]               // 清空 Errors 切片
 	c.queryCache = nil                    // 清空查询参数缓存
 	c.formCache = nil                     // 清空表单数据缓存
 	c.ctx = req.Context()                 // 使用请求的上下文，继承其取消信号和值
 	c.sameSite = http.SameSiteDefaultMode // 默认 SameSite 模式
 	c.MaxRequestBodySize = c.engine.GlobalMaxRequestBodySize
+	// c.HTTPClient 和 c.engine 保持不变，它们引用 Engine 实例的成员
 }
 
 // Next 在处理链中执行下一个处理函数
@@ -121,10 +122,10 @@ func (c *Context) AbortWithStatus(code int) {
 
 // Set 将一个键值对存储到 Context 中
 // 这是一个线程安全的操作，用于在中间件之间传递数据
-func (c *Context) Set(key string, value any) {
+func (c *Context) Set(key string, value interface{}) {
 	c.mu.Lock() // 加写锁
 	if c.Keys == nil {
-		c.Keys = make(map[string]any)
+		c.Keys = make(map[string]interface{})
 	}
 	c.Keys[key] = value
 	c.mu.Unlock() // 解写锁
@@ -132,7 +133,7 @@ func (c *Context) Set(key string, value any) {
 
 // Get 从 Context 中获取一个值
 // 这是一个线程安全的操作
-func (c *Context) Get(key string) (value any, exists bool) {
+func (c *Context) Get(key string) (value interface{}, exists bool) {
 	c.mu.RLock() // 加读锁
 	value, exists = c.Keys[key]
 	c.mu.RUnlock() // 解读锁
@@ -207,7 +208,7 @@ func (c *Context) GetDuration(key string) (value time.Duration, exists bool) {
 
 // MustGet 从 Context 中获取一个值，如果不存在则 panic
 // 适用于确定值一定存在的场景
-func (c *Context) MustGet(key string) any {
+func (c *Context) MustGet(key string) interface{} {
 	if value, exists := c.Get(key); exists {
 		return value
 	}
@@ -268,7 +269,7 @@ func (c *Context) Raw(code int, contentType string, data []byte) {
 }
 
 // String 向响应写入格式化的字符串
-func (c *Context) String(code int, format string, values ...any) {
+func (c *Context) String(code int, format string, values ...interface{}) {
 	c.Writer.WriteHeader(code)
 	c.Writer.Write([]byte(fmt.Sprintf(format, values...)))
 }
@@ -282,7 +283,7 @@ func (c *Context) Text(code int, text string) {
 
 // JSON 向响应写入 JSON 数据
 // 设置 Content-Type 为 application/json
-func (c *Context) JSON(code int, obj any) {
+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 {
@@ -294,7 +295,7 @@ func (c *Context) JSON(code int, obj any) {
 
 // GOB 向响应写入GOB数据
 // 设置 Content-Type 为 application/octet-stream
-func (c *Context) GOB(code int, obj any) {
+func (c *Context) GOB(code int, obj interface{}) {
 	c.Writer.Header().Set("Content-Type", "application/octet-stream") // 设置合适的 Content-Type
 	c.Writer.WriteHeader(code)
 	// GOB 编码
@@ -306,25 +307,11 @@ func (c *Context) GOB(code int, obj any) {
 	}
 }
 
-// WANF向响应写入WANF数据
-// 设置 application/vnd.wjqserver.wanf; charset=utf-8
-func (c *Context) WANF(code int, obj any) {
-	c.Writer.Header().Set("Content-Type", "application/vnd.wjqserver.wanf; charset=utf-8")
-	c.Writer.WriteHeader(code)
-	// WANF 编码
-	encoder := wanf.NewStreamEncoder(c.Writer)
-	if err := encoder.Encode(obj); err != nil {
-		c.AddError(fmt.Errorf("failed to encode WANF: %w", err))
-		c.ErrorUseHandle(http.StatusInternalServerError, fmt.Errorf("failed to encode WANF: %w", err))
-		return
-	}
-}
-
 // HTML 渲染 HTML 模板
 // 如果 Engine 配置了 HTMLRender，则使用它进行渲染
 // 否则，会进行简单的字符串输出
 // 预留接口，可以扩展为支持多种模板引擎
-func (c *Context) HTML(code int, name string, obj any) {
+func (c *Context) HTML(code int, name string, obj interface{}) {
 	c.Writer.Header().Set("Content-Type", "text/html; charset=utf-8")
 	c.Writer.WriteHeader(code)
 
@@ -355,7 +342,7 @@ func (c *Context) Redirect(code int, location string) {
 }
 
 // ShouldBindJSON 尝试将请求体绑定到 JSON 对象
-func (c *Context) ShouldBindJSON(obj any) error {
+func (c *Context) ShouldBindJSON(obj interface{}) error {
 	if c.Request.Body == nil {
 		return errors.New("request body is empty")
 	}
@@ -366,28 +353,10 @@ func (c *Context) ShouldBindJSON(obj any) error {
 	return nil
 }
 
-// ShouldBindWANF
-func (c *Context) ShouldBindWANF(obj any) error {
-	if c.Request.Body == nil {
-		return errors.New("request body is empty")
-	}
-	decoder, err := wanf.NewStreamDecoder(c.Request.Body)
-	if err != nil {
-		return fmt.Errorf("failed to create WANF decoder: %w", err)
-	}
-
-	if err := decoder.Decode(obj); err != nil {
-		return fmt.Errorf("WANF binding error: %w", err)
-	}
-	return nil
-}
-
-// Deprecated: This function is a reserved placeholder for future API extensions
-// and is not yet implemented. It will either be properly defined or removed in v2.0.0. Do not use.
 // ShouldBind 尝试将请求体绑定到各种类型（JSON, Form, XML 等）
 // 这是一个复杂的通用绑定接口，通常根据 Content-Type 或其他头部来判断绑定方式
 // 预留接口，可根据项目需求进行扩展
-func (c *Context) ShouldBind(obj any) error {
+func (c *Context) ShouldBind(obj interface{}) error {
 	// TODO: 完整的通用绑定逻辑
 	// 可以根据 c.Request.Header.Get("Content-Type") 来判断是 JSON, Form, XML 等
 	// 例如：
@@ -440,7 +409,7 @@ func (c *Context) Err() error {
 // Value returns the value associated with this context for key, or nil if no
 // value is associated with key.
 // 可以用于从 Context 中获取与特定键关联的值，包括 Go 原生 Context 的值和 Touka Context 的 Keys
-func (c *Context) Value(key any) any {
+func (c *Context) Value(key interface{}) interface{} {
 	if keyAsString, ok := key.(string); ok {
 		if val, exists := c.Get(keyAsString); exists {
 			return val
diff --git a/fileserver.go b/fileserver.go
index 197b681..5b7f248 100644
--- a/fileserver.go
+++ b/fileserver.go
@@ -6,6 +6,7 @@ package touka
 
 import (
 	"errors"
+	"fmt"
 	"net/http"
 	"path"
 	"strings"
@@ -18,19 +19,13 @@ var allowedFileServerMethods = map[string]struct{}{
 	http.MethodHead: {},
 }
 
-var (
-	ErrInputFSisNil     = errors.New("input FS is nil")
-	ErrMethodNotAllowed = errors.New("method not allowed")
-)
-
 // FileServer方式, 返回一个HandleFunc, 统一化处理
 func FileServer(fs http.FileSystem) HandlerFunc {
 	if fs == nil {
 		return func(c *Context) {
-			c.ErrorUseHandle(http.StatusInternalServerError, ErrInputFSisNil)
+			c.ErrorUseHandle(500, errors.New("Input FileSystem is nil"))
 		}
 	}
-
 	fileServerInstance := http.FileServer(fs)
 	return func(c *Context) {
 		FileServerHandleServe(c, fileServerInstance)
@@ -42,6 +37,7 @@ func FileServer(fs http.FileSystem) HandlerFunc {
 
 func FileServerHandleServe(c *Context, fsHandle http.Handler) {
 	if fsHandle == nil {
+		ErrInputFSisNil := errors.New("Input FileSystem Handle is nil")
 		c.AddError(ErrInputFSisNil)
 		// 500
 		c.ErrorUseHandle(http.StatusInternalServerError, ErrInputFSisNil)
@@ -63,7 +59,7 @@ func FileServerHandleServe(c *Context, fsHandle http.Handler) {
 					return
 				} else {
 					// 否则,返回 405 Method Not Allowed
-					c.engine.errorHandle.handler(c, http.StatusMethodNotAllowed, ErrMethodNotAllowed)
+					c.engine.errorHandle.handler(c, http.StatusMethodNotAllowed, fmt.Errorf("Method %s is Not Allowed on FileServer", c.Request.Method))
 				}
 			} else {
 				c.Next()
diff --git a/go.mod b/go.mod
index 0b8d97b..e9d0304 100644
--- a/go.mod
+++ b/go.mod
@@ -1,16 +1,15 @@
 module github.com/infinite-iroha/touka
 
-go 1.25.1
+go 1.24.5
 
 require (
 	github.com/WJQSERVER-STUDIO/go-utils/iox v0.0.2
 	github.com/WJQSERVER-STUDIO/httpc v0.8.2
-	github.com/WJQSERVER/wanf v0.0.0-20250810023226-e51d9d0737ee
 	github.com/fenthope/reco v0.0.4
-	github.com/go-json-experiment/json v0.0.0-20250813233538-9b1f9ea2e11b
+	github.com/go-json-experiment/json v0.0.0-20250725192818-e39067aee2d2
 )
 
 require (
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
-	golang.org/x/net v0.43.0 // indirect
+	golang.org/x/net v0.42.0 // indirect
 )
diff --git a/go.sum b/go.sum
index dcd4f26..d9a63e3 100644
--- a/go.sum
+++ b/go.sum
@@ -2,13 +2,11 @@ github.com/WJQSERVER-STUDIO/go-utils/iox v0.0.2 h1:AiIHXP21LpK7pFfqUlUstgQEWzjbe
 github.com/WJQSERVER-STUDIO/go-utils/iox v0.0.2/go.mod h1:mCLqYU32bTmEE6dpj37MKKiZgz70Jh/xyK9vVbq6pok=
 github.com/WJQSERVER-STUDIO/httpc v0.8.2 h1:PFPLodV0QAfGEP6915J57vIqoKu9cGuuiXG/7C9TNUk=
 github.com/WJQSERVER-STUDIO/httpc v0.8.2/go.mod h1:8WhHVRO+olDFBSvL5PC/bdMkb6U3vRdPJ4p4pnguV5Y=
-github.com/WJQSERVER/wanf v0.0.0-20250810023226-e51d9d0737ee h1:tJ31DNBn6UhWkk8fiikAQWqULODM+yBcGAEar1tzdZc=
-github.com/WJQSERVER/wanf v0.0.0-20250810023226-e51d9d0737ee/go.mod h1:q2Pyg+G+s1acMWxrbI4CwS/Yk76/BzLREEdZ8iFwUNE=
 github.com/fenthope/reco v0.0.4 h1:yo2g3aWwdoMpaZWZX4SdZOW7mCK82RQIU/YI8ZUQThM=
 github.com/fenthope/reco v0.0.4/go.mod h1:eMyS8HpdMVdJ/2WJt6Cvt8P1EH9Igzj5lSJrgc+0jeg=
-github.com/go-json-experiment/json v0.0.0-20250813233538-9b1f9ea2e11b h1:6Q4zRHXS/YLOl9Ng1b1OOOBWMidAQZR3Gel0UKPC/KU=
-github.com/go-json-experiment/json v0.0.0-20250813233538-9b1f9ea2e11b/go.mod h1:TiCD2a1pcmjd7YnhGH0f/zKNcCD06B029pHhzV23c2M=
+github.com/go-json-experiment/json v0.0.0-20250725192818-e39067aee2d2 h1:iizUGZ9pEquQS5jTGkh4AqeeHCMbfbjeb0zMt0aEFzs=
+github.com/go-json-experiment/json v0.0.0-20250725192818-e39067aee2d2/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=
-golang.org/x/net v0.43.0 h1:lat02VYK2j4aLzMzecihNvTlJNQUq316m2Mr9rnM6YE=
-golang.org/x/net v0.43.0/go.mod h1:vhO1fvI4dGsIjh73sWfUVjj3N7CA9WkKJNQm2svM6Jg=
+golang.org/x/net v0.42.0 h1:jzkYrhi3YQWD6MLBJcsklgQsoAcw89EcZbJw8Z614hs=
+golang.org/x/net v0.42.0/go.mod h1:FF1RA5d3u7nAYA4z2TkclSCKh68eSXtiFwcWQpPXdt8=
diff --git a/sse.go b/sse.go
deleted file mode 100644
index 3b98800..0000000
--- a/sse.go
+++ /dev/null
@@ -1,184 +0,0 @@
-// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with this
-// file, You can obtain one at https://mozilla.org/MPL/2.0/.
-// Copyright 2025 WJQSERVER. All rights reserved.
-// All rights reserved by WJQSERVER, related rights can be exercised by the infinite-iroha organization.
-package touka
-
-import (
-	"bytes"
-	"io"
-	"net/http"
-	"strings"
-)
-
-// Event 代表一个服务器发送事件(SSE).
-type Event struct {
-	// Event 是事件的名称.
-	Event string
-	// Data 是事件的内容, 可以是多行文本.
-	Data string
-	// Id 是事件的唯一标识符.
-	Id string
-	// Retry 是指定客户端在连接丢失后应等待多少毫秒后尝试重新连接.
-	Retry string
-}
-
-// Render 将事件格式化并写入给定的 writer.
-// 通过逐行处理数据, 此方法可防止因数据中包含换行符而导致的CRLF注入问题.
-// 为了性能, 它使用 bytes.Buffer 并通过 WriteTo 直接写入, 以避免不必要的内存分配.
-func (e *Event) Render(w io.Writer) error {
-	var buf bytes.Buffer
-
-	if len(e.Id) > 0 {
-		buf.WriteString("id: ")
-		buf.WriteString(e.Id)
-		buf.WriteString("\n")
-	}
-	if len(e.Event) > 0 {
-		buf.WriteString("event: ")
-		buf.WriteString(e.Event)
-		buf.WriteString("\n")
-	}
-	if len(e.Data) > 0 {
-		lines := strings.Split(e.Data, "\n")
-		for _, line := range lines {
-			buf.WriteString("data: ")
-			buf.WriteString(line)
-			buf.WriteString("\n")
-		}
-	}
-	if len(e.Retry) > 0 {
-		buf.WriteString("retry: ")
-		buf.WriteString(e.Retry)
-		buf.WriteString("\n")
-	}
-
-	// 每个事件都以一个额外的换行符结尾.
-	buf.WriteString("\n")
-
-	// 直接将 buffer 的内容写入 writer, 避免生成中间字符串.
-	_, err := buf.WriteTo(w)
-	return err
-}
-
-// EventStream 启动一个 SSE 事件流.
-// 这是推荐的、更简单安全的方式, 采用阻塞和回调的设计, 框架负责管理连接生命周期.
-//
-// 详细用法:
-//
-//	r.GET("/sse/callback", func(c *touka.Context) {
-//	    // streamer 回调函数会在一个循环中被调用.
-//	    c.EventStream(func(w io.Writer) bool {
-//	        event := touka.Event{
-//	            Event: "time-tick",
-//	            Data:  time.Now().Format(time.RFC1123),
-//	        }
-//
-//	        if err := event.Render(w); err != nil {
-//	            // 发生写入错误, 停止发送.
-//	            return false // 返回 false 结束事件流.
-//	        }
-//
-//	        time.Sleep(2 * time.Second)
-//	        return true // 返回 true 继续事件流.
-//	    })
-//	    // 当事件流结束后(例如客户端关闭页面), 这行代码会被执行.
-//	    fmt.Println("Client disconnected from /sse/callback")
-//	})
-func (c *Context) EventStream(streamer func(w io.Writer) bool) {
-	// 为现代网络协议优化头部.
-	c.Writer.Header().Set("Content-Type", "text/event-stream; charset=utf-8")
-	c.Writer.Header().Set("Cache-Control", "no-cache, no-transform")
-	c.Writer.Header().Del("Connection")
-	c.Writer.Header().Del("Transfer-Encoding")
-
-	c.Writer.WriteHeader(http.StatusOK)
-	c.Writer.Flush() // 直接调用, ResponseWriter 接口保证了 Flush 方法的存在.
-
-	for {
-		select {
-		case <-c.Request.Context().Done():
-			return
-		default:
-			if !streamer(c.Writer) {
-				return
-			}
-			c.Writer.Flush()
-		}
-	}
-}
-
-// EventStreamChan 返回用于 SSE 事件流的 channel.
-// 这是为高级并发场景设计的、更灵活的API.
-//
-// 重要:
-//   - 调用者必须 close(eventChan) 来结束事件流.
-//   - 调用者必须在独立的 goroutine 中消费 errChan 来处理错误和连接断开.
-//   - 为防止 goroutine 泄漏, 建议发送方在 select 中同时监听 c.Request.Context().Done().
-//
-// 详细用法:
-//
-//	r.GET("/sse/channel", func(c *touka.Context) {
-//	    eventChan, errChan := c.EventStreamChan()
-//
-//	    // 必须在独立的goroutine中处理错误和连接断开.
-//	    go func() {
-//	        if err := <-errChan; err != nil {
-//	            c.Errorf("SSE channel error: %v", err)
-//	        }
-//	    }()
-//
-//	    // 在另一个goroutine中异步发送事件.
-//	    go func() {
-//	        // 重要: 必须在逻辑结束时关闭channel, 以通知框架.
-//	        defer close(eventChan)
-//
-//	        for i := 1; i <= 5; i++ {
-//	            select {
-//	            case <-c.Request.Context().Done():
-//	                return // 客户端已断开, 退出 goroutine.
-//	            default:
-//	                eventChan <- touka.Event{
-//	                    Id:   fmt.Sprintf("%d", i),
-//	                    Data: "hello from channel",
-//	                }
-//	                time.Sleep(2 * time.Second)
-//	            }
-//	        }
-//	    }()
-//	})
-func (c *Context) EventStreamChan() (chan<- Event, <-chan error) {
-	eventChan := make(chan Event)
-	errChan := make(chan error, 1)
-
-	c.Writer.Header().Set("Content-Type", "text/event-stream; charset=utf-8")
-	c.Writer.Header().Set("Cache-Control", "no-cache, no-transform")
-	c.Writer.Header().Del("Connection")
-	c.Writer.Header().Del("Transfer-Encoding")
-
-	c.Writer.WriteHeader(http.StatusOK)
-	c.Writer.Flush()
-
-	go func() {
-		defer close(errChan)
-
-		for {
-			select {
-			case event, ok := <-eventChan:
-				if !ok {
-					return
-				}
-				if err := event.Render(c.Writer); err != nil {
-					errChan <- err
-					return
-				}
-				c.Writer.Flush()
-			case <-c.Request.Context().Done():
-				errChan <- c.Request.Context().Err()
-				return
-			}
-		}
-	}()
-
-	return eventChan, errChan
-}