diff --git a/core/nstatus/api_err.go b/core/nstatus/api_err.go
index 1a7e661..1a9bf29 100644
--- a/core/nstatus/api_err.go
+++ b/core/nstatus/api_err.go
@@ -1,6 +1,12 @@
 package nstatus
 
-import "git.noahlan.cn/noahlan/ntool-biz/core/nstatus/code"
+import (
+	"git.noahlan.cn/noahlan/ntool-biz/core/nstatus/code"
+)
+
+/**
+API错误，用于返回带HTTP状态码的错误返回信息
+*/
 
 // NewApiErr 构建Api错误，code为http状态码
 func NewApiErr(code int, message string) error {
diff --git a/core/nstatus/biz_err.go b/core/nstatus/biz_err.go
index 3f11d96..a128a03 100644
--- a/core/nstatus/biz_err.go
+++ b/core/nstatus/biz_err.go
@@ -1,10 +1,24 @@
 package nstatus
 
+import (
+	"git.noahlan.cn/noahlan/ntool-biz/core/nstatus/code"
+	"git.noahlan.cn/noahlan/ntool-biz/core/nstatus/msg"
+)
+
+/**
+业务代码类型错误，错误状态码统一为500，详细状态码在返回体中
+*/
+
 // NewBizErr 构建业务错误
 func NewBizErr(code int, message string) error {
 	return NewResult(code, message, BizErr)
 }
 
+// NewBizErrWithCode 通过Code构建业务错误
+func NewBizErrWithCode(c code.Code) error {
+	return NewBizErr(int(c), msg.Msg(c))
+}
+
 // NewBizErrNoMsg 构建业务错误，空错误消息
 func NewBizErrNoMsg(code int) error {
 	return NewBizErr(code, "")
diff --git a/core/nstatus/code/code.go b/core/nstatus/code/code.go
index 8cd3197..3273ecf 100644
--- a/core/nstatus/code/code.go
+++ b/core/nstatus/code/code.go
@@ -2,22 +2,24 @@ package code
 
 import "net/http"
 
+type Code int
+
 const (
-    StatusUnknown int = -1
-    StatusOK          = http.StatusOK
-    StatusFailed      = 0
+	StatusUnknown = -1
+	StatusOK      = http.StatusOK
+	StatusFailed  = 0
 
-    StatusBadRequest      = http.StatusBadRequest
-    StatusUnauthorized    = http.StatusUnauthorized
-    StatusForbidden       = http.StatusForbidden
-    StatusNotFound        = http.StatusNotFound
-    StatusRequestTimeout  = http.StatusRequestTimeout
-    StatusConflict        = http.StatusConflict
-    StatusTooManyRequests = http.StatusTooManyRequests
+	StatusBadRequest         = http.StatusBadRequest
+	StatusUnauthorized       = http.StatusUnauthorized
+	StatusForbidden          = http.StatusForbidden
+	StatusNotFound           = http.StatusNotFound
+	StatusRequestTimeoutCode = http.StatusRequestTimeout
+	StatusConflict           = http.StatusConflict
+	StatusTooManyRequests    = http.StatusTooManyRequests
 
-    StatusInternalServerError = http.StatusInternalServerError
-    StatusNotImplemented      = http.StatusNotImplemented
-    StatusBadGateway          = http.StatusBadGateway
-    StatusServiceUnavailable  = http.StatusServiceUnavailable
-    StatusGatewayTimeout      = http.StatusGatewayTimeout
+	StatusInternalServerError = http.StatusInternalServerError
+	StatusNotImplemented      = http.StatusNotImplemented
+	StatusBadGateway          = http.StatusBadGateway
+	StatusServiceUnavailable  = http.StatusServiceUnavailable
+	StatusGatewayTimeout      = http.StatusGatewayTimeout
 )
diff --git a/core/nstatus/grpc_err.go b/core/nstatus/grpc_err.go
index 69a25f2..46168a0 100644
--- a/core/nstatus/grpc_err.go
+++ b/core/nstatus/grpc_err.go
@@ -52,6 +52,10 @@ func IsGrpcErr(err error) bool {
 	return ok
 }
 
+/**
+RPC错误
+*/
+
 func NewGrpcErr(code codes.Code, msg string) error {
 	return NewResult(int(code), msg, RpcErr)
 }
diff --git a/core/nstatus/msg/msg.go b/core/nstatus/msg/msg.go
index 6032ae8..9c19d4b 100644
--- a/core/nstatus/msg/msg.go
+++ b/core/nstatus/msg/msg.go
@@ -1,23 +1,44 @@
 package msg
 
+import (
+	"git.noahlan.cn/noahlan/ntool-biz/core/nstatus/code"
+	"sync"
+)
+
+var codeMsgMap sync.Map
+
 // message keys
 const (
-    Success          = "common.success"
-    Failed           = "common.failed"
-    UpdateSuccess    = "common.updateSuccess"
-    UpdateFailed     = "common.updateFailed"
-    CreateSuccess    = "common.createSuccess"
-    CreateFailed     = "common.createFailed"
-    DeleteSuccess    = "common.deleteSuccess"
-    DeleteFailed     = "common.deleteFailed"
-    ObjectNotFound   = "common.objectNotFound"
-    DatabaseError    = "common.databaseError"
-    CacheError       = "common.cacheError"
-    ConstraintError  = "common.constraintError"
-    ValidationError  = "common.validationError"
-    NotSingularError = "common.notSingularError"
-    PermissionDeny   = "common.permissionDeny"
+	Success          = "common.success"
+	Failed           = "common.failed"
+	UpdateSuccess    = "common.updateSuccess"
+	UpdateFailed     = "common.updateFailed"
+	CreateSuccess    = "common.createSuccess"
+	CreateFailed     = "common.createFailed"
+	DeleteSuccess    = "common.deleteSuccess"
+	DeleteFailed     = "common.deleteFailed"
+	ObjectNotFound   = "common.objectNotFound"
+	DatabaseError    = "common.databaseError"
+	CacheError       = "common.cacheError"
+	ConstraintError  = "common.constraintError"
+	ValidationError  = "common.validationError"
+	NotSingularError = "common.notSingularError"
+	PermissionDeny   = "common.permissionDeny"
 
-    AlreadyInit = "init.alreadyInit"
-    InitRunning = "init.initializeIsRunning"
+	AlreadyInit = "init.alreadyInit"
+	InitRunning = "init.initializeIsRunning"
 )
+
+// Add 添加消息
+func Add(c code.Code, msg string) {
+	codeMsgMap.Store(c, msg)
+}
+
+// Msg 获取string消息
+func Msg(c code.Code) string {
+	msg, ok := codeMsgMap.Load(c)
+	if ok {
+		return msg.(string)
+	}
+	return Failed
+}
diff --git a/zero/statusz/handler.go b/zero/statusz/handler.go
index eab21b8..600808c 100644
--- a/zero/statusz/handler.go
+++ b/zero/statusz/handler.go
@@ -28,13 +28,23 @@ func ResponseHandler(req *http.Request, w http.ResponseWriter, trans bool, resp
 	if trans {
 		result.Msg = i18n.Trans(req.Context(), result.Msg)
 	}
-	c := http.StatusInternalServerError
-	if result.Type == nstatus.ApiErr {
+
+	var c int
+	switch result.Type {
+	case nstatus.ApiErr:
 		// API错误，按照Result内的code返回，若code不是标准http错误，则按照500返回
 		c = result.Code
-		if c > http.StatusNetworkAuthenticationRequired {
+		if c > http.StatusNetworkAuthenticationRequired || c < http.StatusContinue {
 			c = http.StatusInternalServerError
 		}
+	case nstatus.BizErr:
+		// 业务代码类型错误，统一状态码为500
+		c = http.StatusInternalServerError
+	case nstatus.RpcErr:
+		// RPC错误，统一状态码为500
+		c = http.StatusInternalServerError
+	default:
+		c = http.StatusInternalServerError
 	}
 	// 其它错误统一按照500返回
 	httpx.WriteJson(w, c, result)