diff --git a/example/user.api b/example/user.api
index 2b1409c..4a1bf59 100644
--- a/example/user.api
+++ b/example/user.api
@@ -36,6 +36,11 @@ type (
     UserSearchReq {
         KeyWord string `form:"keyWord"` // 关键词
     }
+
+    ErrorResponse {
+        Code string `json:"code"`
+        Message string `json:"message"`
+    }
 )
 
 @server(
@@ -59,6 +64,13 @@ service user-api {
         summary: 获取用户信息
     )
     @handler getUserInfo
+    /*
+    @respdoc-400 (
+        100101: out of authority
+        100102: user not exist
+    ) // Error code list
+    */
+    /*    @respdoc-500 (ErrorResponse) // Server Error */
     get /user/:id (UserInfoReq) returns (UserInfoReply)
 
     @doc(
diff --git a/example/user.json b/example/user.json
index 77486f6..5ab1adf 100644
--- a/example/user.json
+++ b/example/user.json
@@ -103,6 +103,18 @@
             "schema": {
               "$ref": "#/definitions/UserInfoReply"
             }
+          },
+          "400": {
+            "description": "Error code list",
+            "schema": {
+              "example": "{\"100101\":\"out of authority\",\"100102\":\"user not exist\"}"
+            }
+          },
+          "500": {
+            "description": "Server Error",
+            "schema": {
+              "$ref": "#/definitions/ErrorResponse"
+            }
           }
         },
         "parameters": [
@@ -120,6 +132,22 @@
     }
   },
   "definitions": {
+    "ErrorResponse": {
+      "type": "object",
+      "properties": {
+        "code": {
+          "type": "string"
+        },
+        "message": {
+          "type": "string"
+        }
+      },
+      "title": "ErrorResponse",
+      "required": [
+        "code",
+        "message"
+      ]
+    },
     "LoginReq": {
       "type": "object",
       "properties": {
diff --git a/generate/parser.go b/generate/parser.go
index 478ff34..843a231 100644
--- a/generate/parser.go
+++ b/generate/parser.go
@@ -2,6 +2,7 @@ package generate
 
 import (
 	"bytes"
+	"encoding/json"
 	"fmt"
 	"net/http"
 	"reflect"
@@ -26,6 +27,7 @@ const (
 	exampleOption   = "example"
 	optionSeparator = "|"
 	equalToken      = "="
+	atRespDoc       = "@respdoc-"
 )
 
 func parseRangeOption(option string) (float64, float64, bool) {
@@ -285,6 +287,52 @@ func renderServiceRoutes(service spec.Service, groups []spec.Group, paths swagge
 				},
 			}
 
+			for _, v := range route.Doc {
+				markerIndex := strings.Index(v, atRespDoc)
+				if markerIndex >= 0 {
+					l := strings.Index(v, "(")
+					r := strings.Index(v, ")")
+					code := strings.TrimSpace(v[markerIndex+len(atRespDoc) : l])
+					var comment string
+					commentIndex := strings.Index(v, "//")
+					if commentIndex > 0 {
+						comment = strings.TrimSpace(strings.Trim(v[commentIndex+2:], "*/"))
+					}
+					content := strings.TrimSpace(v[l+1 : r])
+					if strings.Index(v, ":") > 0 {
+						lines := strings.Split(content, "\n")
+						kv := make(map[string]string, len(lines))
+						for _, line := range lines {
+							sep := strings.Index(line, ":")
+							key := strings.TrimSpace(line[:sep])
+							value := strings.TrimSpace(line[sep+1:])
+							kv[key] = value
+						}
+						kvByte, err := json.Marshal(kv)
+						if err != nil {
+							continue
+						}
+						operationObject.Responses[code] = swaggerResponseObject{
+							Description: comment,
+							Schema: swaggerSchemaObject{
+								schemaCore: schemaCore{
+									Example: string(kvByte),
+								},
+							},
+						}
+					} else if len(content) > 0 {
+						operationObject.Responses[code] = swaggerResponseObject{
+							Description: comment,
+							Schema: swaggerSchemaObject{
+								schemaCore: schemaCore{
+									Ref: fmt.Sprintf("#/definitions/%s", content),
+								},
+							},
+						}
+					}
+				}
+			}
+
 			// set OperationID
 			operationObject.OperationID = route.Handler
 
diff --git a/go.mod b/go.mod
index 7f736a3..24874d7 100644
--- a/go.mod
+++ b/go.mod
@@ -4,6 +4,7 @@ go 1.16
 
 require (
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0
+	github.com/spf13/cobra v1.5.0 // indirect
 	github.com/urfave/cli/v2 v2.3.0
 	github.com/zeromicro/go-zero v1.3.0
 	github.com/zeromicro/go-zero/tools/goctl v1.3.2
diff --git a/go.sum b/go.sum
index 8266c04..7a84415 100644
--- a/go.sum
+++ b/go.sum
@@ -74,8 +74,9 @@ github.com/cncf/xds/go v0.0.0-20210922020428-25de7278fc84/go.mod h1:eXthEFrGJvWH
 github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
-github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d h1:U+s90UTSYgptZMwQh2aRr3LuazLJIa+Pg3Kc1ylSYVY=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+github.com/cpuguy83/go-md2man/v2 v2.0.2 h1:p1EgwI/C7NhT0JmVkwCD2ZBK8j4aeHQX2pMHHBfMQ6w=
+github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
@@ -218,6 +219,8 @@ github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpO
 github.com/iancoleman/strcase v0.2.0/go.mod h1:iwCmte+B7n89clKwxIoIXy/HfoL7AsD47ZCWhYzw7ho=
 github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/imdario/mergo v0.3.5/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
+github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
+github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/jcmturner/aescts/v2 v2.0.0/go.mod h1:AiaICIRyfYg35RUkr8yESTqvSy7csK90qZ5xfvvsoNs=
 github.com/jcmturner/dnsutils/v2 v2.0.0/go.mod h1:b0TnjGOvI/n42bZa+hmXL+kFJZsFT7G4t3HTlQ184QM=
 github.com/jcmturner/gofork v1.0.0/go.mod h1:MK8+TM0La+2rjBD4jE12Kj1pCCxK7d2LK/UM3ncEo0o=
@@ -322,9 +325,9 @@ github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475/go.mod h1:bCqn
 github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
-github.com/russross/blackfriday/v2 v2.0.1 h1:lPqVAte+HuHNfhJ/0LC98ESWRz8afy9tM/0RK8m9o+Q=
 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
-github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5IYyJwS/kOiWx8mHo=
+github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
+github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
 github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
@@ -334,7 +337,10 @@ github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasO
 github.com/spaolacci/murmur3 v1.1.0 h1:7c1g84S4BPRrfL5Xrdp6fOJ206sU9y293DDHaoy0bLI=
 github.com/spaolacci/murmur3 v1.1.0/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
 github.com/spf13/afero v1.2.2/go.mod h1:9ZxEEn6pIJ8Rxe320qSDBk6AsU0r9pR7Q4OcevTdifk=
+github.com/spf13/cobra v1.5.0 h1:X+jTBEBqF0bHN+9cSMgmfuvv2VHJ9ezmFNf9Y/XstYU=
+github.com/spf13/cobra v1.5.0/go.mod h1:dWXEIy2H428czQCjInthrTRUg7yKbok+2Qi/yBIJoUM=
 github.com/spf13/pflag v0.0.0-20170130214245-9ff6c6923cff/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
+github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
diff --git a/swagtest b/swagtest
index e49fbb7..a83422e 100755
Binary files a/swagtest and b/swagtest differ