diff --git a/g/g_func.go b/g/g_func.go
index 28751ca14..18ae4d887 100644
--- a/g/g_func.go
+++ b/g/g_func.go
@@ -39,11 +39,11 @@ func Dump(i...interface{}) {
 }
 
 // 抛出一个异常
-func Throw(err interface{}) {
-    gutil.Throw(err)
+func Throw(exception interface{}) {
+    gutil.Throw(exception)
 }
 
 // try...catch...
-func TryCatch(try func(), catch func(err interface{})) {
-    gutil.TryCatch(try, catch)
+func TryCatch(try func(), catch ... func(exception interface{})) {
+    gutil.TryCatch(try, catch...)
 }
\ No newline at end of file
diff --git a/g/net/ghttp/ghttp_request.go b/g/net/ghttp/ghttp_request.go
index 77260c3f0..6cbf9bbe8 100644
--- a/g/net/ghttp/ghttp_request.go
+++ b/g/net/ghttp/ghttp_request.go
@@ -154,6 +154,7 @@ func (r *Request) GetToStruct(object interface{}, mapping...map[string]string) {
 // 退出当前请求执行，原理是在Request.exit做标记，由服务逻辑流程做判断，自行停止
 func (r *Request) Exit() {
     r.exit.Set(true)
+    panic(gEXCEPTION_EXIT)
 }
 
 // 判断当前请求是否停止执行
diff --git a/g/net/ghttp/ghttp_server.go b/g/net/ghttp/ghttp_server.go
index 1ad12d116..60544ac21 100644
--- a/g/net/ghttp/ghttp_server.go
+++ b/g/net/ghttp/ghttp_server.go
@@ -52,6 +52,7 @@ const (
     gROUTE_REGISTER_HANDLER    = 1
     gROUTE_REGISTER_OBJECT     = 2
     gROUTE_REGISTER_CONTROLLER = 3
+    gEXCEPTION_EXIT            = "exit"
 )
 
 // ghttp.Server结构体
diff --git a/g/net/ghttp/ghttp_server_handler.go b/g/net/ghttp/ghttp_server_handler.go
index ccab1a4c0..0c0606731 100644
--- a/g/net/ghttp/ghttp_server_handler.go
+++ b/g/net/ghttp/ghttp_server_handler.go
@@ -8,16 +8,16 @@
 package ghttp
 
 import (
-    "os"
     "fmt"
-    "sort"
-    "reflect"
-    "strings"
-    "net/url"
-    "net/http"
+    "gitee.com/johng/gf/g/encoding/ghtml"
     "gitee.com/johng/gf/g/os/gfile"
     "gitee.com/johng/gf/g/os/gtime"
-    "gitee.com/johng/gf/g/encoding/ghtml"
+    "net/http"
+    "net/url"
+    "os"
+    "reflect"
+    "sort"
+    "strings"
 )
 
 // 默认HTTP Server处理入口，http包底层默认使用了gorutine异步处理请求，所以这里不再异步执行
@@ -118,6 +118,11 @@ func (s *Server)handleRequest(w http.ResponseWriter, r *http.Request) {
 
 // 初始化控制器
 func (s *Server)callServeHandler(h *handlerItem, r *Request) {
+    defer func() {
+        if e := recover(); e != nil && e != gEXCEPTION_EXIT {
+            panic(e)
+        }
+    }()
     if h.faddr == nil {
         // 新建一个控制器对象处理请求
         c := reflect.New(h.ctype)
diff --git a/g/net/ghttp/ghttp_server_router_hook.go b/g/net/ghttp/ghttp_server_router_hook.go
index 66b8a90c4..a1835e010 100644
--- a/g/net/ghttp/ghttp_server_router_hook.go
+++ b/g/net/ghttp/ghttp_server_router_hook.go
@@ -43,6 +43,11 @@ func (s *Server)BindHookHandlerByMap(pattern string, hookmap map[string]HandlerF
 func (s *Server) callHookHandler(hook string, r *Request) {
     hookItems := s.getHookHandlerWithCache(hook, r)
     if len(hookItems) > 0 {
+        defer func() {
+            if e := recover(); e != nil && e != gEXCEPTION_EXIT {
+                panic(e)
+            }
+        }()
         // 备份原有的router变量
         oldRouterVars := r.routerVars
         for _, item := range hookItems {
diff --git a/g/os/glog/glog.go b/g/os/glog/glog.go
index 6198708bb..be23a5734 100644
--- a/g/os/glog/glog.go
+++ b/g/os/glog/glog.go
@@ -11,6 +11,7 @@ package glog
 
 import (
     "gitee.com/johng/gf/g/container/gtype"
+    "io"
 )
 
 const (
@@ -47,6 +48,16 @@ func SetLevel(level int) {
     defaultLevel.Set(level)
 }
 
+// 可自定义IO接口，IO可以是文件输出、标准输出、网络输出
+func SetWriter(writer io.Writer) {
+    logger.SetWriter(writer)
+}
+
+// 返回自定义的IO，默认为nil
+func GetWriter() io.Writer {
+    return logger.GetWriter()
+}
+
 // 获取全局的日志记录等级
 func GetLevel() int {
     return defaultLevel.Val()
@@ -82,6 +93,11 @@ func SetBacktrace(enabled bool) {
     logger.SetBacktrace(enabled)
 }
 
+// 链式操作，设置下一次写入日志内容的Writer
+func To(writer io.Writer) *Logger {
+    return logger.To(writer)
+}
+
 // 设置下一次输出的分类，支持多级分类设置
 func Cat(category string) *Logger {
     return logger.Cat(category)
diff --git a/g/os/glog/glog_logger.go b/g/os/glog/glog_logger.go
index 66e3fce16..ed2ea114f 100644
--- a/g/os/glog/glog_logger.go
+++ b/g/os/glog/glog_logger.go
@@ -112,9 +112,9 @@ func (l *Logger) SetBacktraceSkip(skip int) {
 }
 
 // 可自定义IO接口，IO可以是文件输出、标准输出、网络输出
-func (l *Logger) SetWriter(w io.Writer) {
+func (l *Logger) SetWriter(writer io.Writer) {
     l.mu.Lock()
-    l.io = w
+    l.io = writer
     l.mu.Unlock()
 }
 
@@ -191,13 +191,13 @@ func (l *Logger) print(std io.Writer, s string) {
                 fmt.Fprintln(os.Stderr, err.Error())
             }
         }
+        // 当没有设置writer时，需要判断是否允许输出到标准输出
+        if l.alsoStdPrint.Val() {
+            l.doStdLockPrint(std, s)
+        }
     } else {
         l.doStdLockPrint(writer, s)
     }
-    // 是否允许输出到标准输出
-    if l.alsoStdPrint.Val() {
-        l.doStdLockPrint(std, s)
-    }
 }
 
 // 并发安全打印到标准输出
diff --git a/g/os/glog/glog_logger_linkop.go b/g/os/glog/glog_logger_linkop.go
index 4840486b3..0b4c87b4b 100644
--- a/g/os/glog/glog_logger_linkop.go
+++ b/g/os/glog/glog_logger_linkop.go
@@ -6,7 +6,22 @@
 
 package glog
 
-import "gitee.com/johng/gf/g/os/gfile"
+import (
+    "gitee.com/johng/gf/g/os/gfile"
+    "io"
+)
+
+// 链式操作，设置下一次写入日志内容的Writer
+func (l *Logger) To(writer io.Writer) *Logger {
+    logger := (*Logger)(nil)
+    if l.pr == nil {
+        logger = l.Clone()
+    } else {
+        logger = l
+    }
+    logger.SetWriter(writer)
+    return logger
+}
 
 // 链式操作，设置下一次输出的日志分类(可以按照文件目录层级设置)，在当前logpath或者当前工作目录下创建category目录，
 // 这是一个链式操作，可以设置多个分类，将会创建层级的日志分类目录。
diff --git a/g/util/gutil/gutil.go b/g/util/gutil/gutil.go
index efdf3fc90..ff315f1ed 100644
--- a/g/util/gutil/gutil.go
+++ b/g/util/gutil/gutil.go
@@ -66,17 +66,19 @@ func PrintBacktrace() {
 }
 
 // 抛出一个异常
-func Throw(err interface{}) {
-    panic(err)
+func Throw(exception interface{}) {
+    panic(exception)
 }
 
 // try...catch...
-func TryCatch(try func(), catch func(err interface{})) {
-    defer func() {
-        if err := recover(); err != nil {
-            catch(err)
-        }
-    }()
+func TryCatch(try func(), catch ... func(exception interface{})) {
+    if len(catch) > 0 {
+        defer func() {
+            if e := recover(); e != nil {
+                catch[0](e)
+            }
+        }()
+    }
     try()
 }
 
diff --git a/geg/net/ghttp/server/exit.go b/geg/net/ghttp/server/exit.go
new file mode 100644
index 000000000..b8bb3d957
--- /dev/null
+++ b/geg/net/ghttp/server/exit.go
@@ -0,0 +1,27 @@
+package main
+
+import (
+    "gitee.com/johng/gf/g"
+    "gitee.com/johng/gf/g/os/glog"
+    "gitee.com/johng/gf/g/net/ghttp"
+)
+
+func main() {
+    p := "/"
+    s := g.Server()
+    s.BindHandler(p, func(r *ghttp.Request) {
+        r.Response.Writeln("start")
+        r.Exit()
+        r.Response.Writeln("end")
+    })
+    s.BindHookHandlerByMap(p, map[string]ghttp.HandlerFunc{
+        "BeforeServe" : func(r *ghttp.Request){
+            glog.To(r.Response.Writer).Println("BeforeServe")
+        },
+        "AfterServe"  : func(r *ghttp.Request){
+            glog.To(r.Response.Writer).Println("AfterServe")
+        },
+    })
+    s.SetPort(8199)
+    s.Run()
+}
\ No newline at end of file
diff --git a/geg/other/test.go b/geg/other/test.go
index 469d4028c..668d76579 100644
--- a/geg/other/test.go
+++ b/geg/other/test.go
@@ -2,13 +2,17 @@ package main
 
 import (
     "fmt"
-    "gitee.com/johng/gf/g/os/gtime"
 )
+type T struct {
+
+}
 
 func main() {
-    s := `
-172.20.1.198 - - [2018-11-06T16:26:09+08:00] "POST /passport HTTP/1.1" "OK" 1 200 0.000 0.035 0.035 0.035 448 "-" "-" "-" "{\x22jsonrpc\x22:\x222.0\x22,\x22method\x22:\x22getSessionInfo\x22,\x22params\x22:[\x2262703819__6augmxzV9f5c7o4MEimnMqPhoyKWPi8pXjs2VIj3T43vBfuGZOJ9DxrbRNsFB0ew\x22,true,{\x22platform\x22:\x22web-ph\x22}],\x22id\x22:1}" http unix:/var/run/php/php5.6-fpm.sock med3-svr [med3-svr-65494945bf-jppth] "" "" "" [med3-svr-65494945bf-jppth]
-`
+    var i interface{}
+    i = "s"
+    i = make([]string, 100)
 
-    fmt.Println(gtime.ParseTimeFromContent(s))
+    if i == "s" {
+        fmt.Println(1)
+    }
 }
\ No newline at end of file