diff --git a/pkg/appsrv/appparams.go b/pkg/appsrv/appparams.go
index c6db1658c5..64b425dd05 100644
--- a/pkg/appsrv/appparams.go
+++ b/pkg/appsrv/appparams.go
@@ -18,6 +18,7 @@ import (
 	"context"
 	"net/http"
 
+	"yunion.io/x/jsonutils"
 	"yunion.io/x/pkg/appctx"
 )
 
@@ -31,6 +32,7 @@ type SAppParams struct {
 	SkipTrace bool
 	Params    map[string]string
 	Path      []string
+	Body      jsonutils.JSONObject
 
 	Request  *http.Request
 	Response http.ResponseWriter
diff --git a/pkg/appsrv/appsrv.go b/pkg/appsrv/appsrv.go
index 4896585259..6732ee4e4b 100644
--- a/pkg/appsrv/appsrv.go
+++ b/pkg/appsrv/appsrv.go
@@ -16,10 +16,12 @@ package appsrv
 
 import (
 	"bufio"
+	"bytes"
 	"context"
 	"crypto/sha1"
 	"encoding/base64"
 	"fmt"
+	"io/ioutil"
 	"math/rand"
 	"net"
 	"net/http"
@@ -33,6 +35,7 @@ import (
 	"yunion.io/x/jsonutils"
 	"yunion.io/x/log"
 	"yunion.io/x/pkg/appctx"
+	"yunion.io/x/pkg/errors"
 	"yunion.io/x/pkg/trace"
 	"yunion.io/x/pkg/util/httputils"
 	"yunion.io/x/pkg/util/signalutils"
@@ -67,6 +70,8 @@ type Application struct {
 	httpServer      *http.Server
 	slaveHttpServer *http.Server
 
+	exception func(method, path string, body jsonutils.JSONObject, err error)
+
 	isTLS bool
 }
 
@@ -118,6 +123,11 @@ func NewApplication(name string, connMax int, db bool) *Application {
 	return &app
 }
 
+func (self *Application) OnException(exception func(method, path string, body jsonutils.JSONObject, err error)) *Application {
+	self.exception = exception
+	return self
+}
+
 func SplitPath(path string) []string {
 	ret := make([]string, 0)
 	for _, seg := range strings.Split(path, "/") {
@@ -194,6 +204,12 @@ func (app *Application) AddHandler3(hi *SHandlerInfo) *SHandlerInfo {
 type loggingResponseWriter struct {
 	http.ResponseWriter
 	status int
+	data   []byte
+}
+
+func (lrw *loggingResponseWriter) Write(data []byte) (int, error) {
+	lrw.data = data
+	return lrw.ResponseWriter.Write(data)
 }
 
 func (lrw *loggingResponseWriter) Hijack() (rwc net.Conn, buf *bufio.ReadWriter, err error) {
@@ -227,7 +243,7 @@ func (app *Application) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	// log.Printf("defaultHandler %s %s", r.Method, r.URL.Path)
 	rid := genRequestId(w, r)
 	w.Header().Set("X-Request-Host-Id", app.hostId)
-	lrw := &loggingResponseWriter{w, http.StatusOK}
+	lrw := &loggingResponseWriter{ResponseWriter: w, status: http.StatusOK, data: []byte{}}
 	start := time.Now()
 	hi, params := app.defaultHandle(lrw, r, rid)
 	if hi == nil {
@@ -240,6 +256,9 @@ func (app *Application) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		counter = &hi.counter4XX
 	} else {
 		counter = &hi.counter5XX
+		if app.exception != nil {
+			app.exception(r.Method, r.URL.String(), params.Body, errors.Errorf(string(lrw.data)))
+		}
 	}
 	duration := float64(time.Since(start).Nanoseconds()) / 1000000
 	counter.hit += 1
@@ -375,6 +394,11 @@ func (app *Application) defaultHandle(w http.ResponseWriter, r *http.Request, ri
 			task.appParams = hand.GetAppParams(params, segs)
 			task.appParams.Request = r
 			task.appParams.Response = w
+			if r.Body != nil && r.ContentLength > 0 && getContentType(r) == ContentTypeJson {
+				data, _ := ioutil.ReadAll(r.Body)
+				task.appParams.Body, _ = jsonutils.Parse(data)
+				r.Body = ioutil.NopCloser(bytes.NewBuffer(data))
+			}
 			session.Run(
 				task,
 				currentWorker,
diff --git a/pkg/compute/service/service.go b/pkg/compute/service/service.go
index 13d8a120fe..92a7184cce 100644
--- a/pkg/compute/service/service.go
+++ b/pkg/compute/service/service.go
@@ -22,6 +22,7 @@ import (
 	"time"
 
 	"yunion.io/x/cloudmux/pkg/multicloud/esxi"
+	"yunion.io/x/jsonutils"
 	"yunion.io/x/log"
 	"yunion.io/x/pkg/errors"
 	_ "yunion.io/x/sqlchemy/backends"
@@ -87,7 +88,10 @@ func StartService() {
 		log.Errorf("try to init etcd options error: %v", err)
 	}
 
-	app := app_common.InitApp(baseOpts, true)
+	app := app_common.InitApp(baseOpts, true).
+		OnException(func(method, path string, body jsonutils.JSONObject, err error) {
+			// send notify exception
+		})
 
 	cloudcommon.InitDB(dbOpts)