diff --git a/go.sum b/go.sum
index c928012..97b13a3 100644
--- a/go.sum
+++ b/go.sum
@@ -9,6 +9,7 @@ github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuy
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 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=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
@@ -27,10 +28,10 @@ github.com/go-openapi/swag v0.19.11/go.mod h1:Uc0gKkdR+ojzsEpjh39QChyu92vPgIr72P
 github.com/go-openapi/swag v0.19.12/go.mod h1:eFdyEBkTdoAf/9RXBvj4cr1nH7GD8Kzo5HTt47gr72M=
 github.com/go-openapi/swag v0.19.15 h1:D2NRCBzS9/pEY3gP9Nl8aDqGUcPFrwG2p+CNFrLyrCM=
 github.com/go-openapi/swag v0.19.15/go.mod h1:QYRuS/SOXUCsnplDa677K7+DxSOj6IPNl/eQntq43wQ=
-github.com/go-spring/spring-base v1.1.0-rc2.0.20220108065257-1c285a12bc84 h1:PBMx/w/NYBlzMyiTe+ehi3kKZoIRknssBoV2aD6cejk=
-github.com/go-spring/spring-base v1.1.0-rc2.0.20220108065257-1c285a12bc84/go.mod h1:gJCBukN0ZmjhGygd31Yfan3SG2iRdAwPUTpxYW62exE=
-github.com/go-spring/spring-core v1.1.0-rc2.0.20220108070439-49a57f1c5839 h1:cMAyRVor8Ii1Ew6nV/nQbcvqCBb9Vsin5nCXPkwTxUk=
-github.com/go-spring/spring-core v1.1.0-rc2.0.20220108070439-49a57f1c5839/go.mod h1:xN8smuLbXLyf3M6b2gCCP9l02bYEs5xH7AaSqpMmzGk=
+github.com/go-spring/spring-base v1.1.0-rc3 h1:ZtNqLkPLXZWnZORWRQH63IeJvv8z/fjFm/4Qt7/lXTs=
+github.com/go-spring/spring-base v1.1.0-rc3/go.mod h1:gJCBukN0ZmjhGygd31Yfan3SG2iRdAwPUTpxYW62exE=
+github.com/go-spring/spring-core v1.1.0-rc3 h1:i8EzGOGxUbHE2pfXcOUvMV8cSwcJq63M+pXqYJd33Ok=
+github.com/go-spring/spring-core v1.1.0-rc3/go.mod h1:3NOUQhvZA/RQmiaG88PWeaqpqU7gp0JWHL0rnhb/FRI=
 github.com/golang/mock v1.6.0 h1:ErTB+efbowRARo13NNdxyJji2egdxLGQhRaY+DUumQc=
 github.com/golang/mock v1.6.0/go.mod h1:p6yTPP+5HYm5mzsMV8JkE6ZKdX+/wYM6Hr+LicevLPs=
 github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
@@ -40,19 +41,23 @@ github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFF
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/magiconair/properties v1.8.5/go.mod h1:y3VJvCyxH9uVvJTWEGAELF3aiYNyPKd5NZ3oSwXrF60=
 github.com/mailru/easyjson v0.0.0-20190614124828-94de47d64c63/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
 github.com/mailru/easyjson v0.0.0-20190626092158-b2ccc519800e/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
 github.com/mailru/easyjson v0.7.6 h1:8yTIVnZgCoiM1TgqoeTl+LfU5Jg6/xL3QhGQnimLYnA=
 github.com/mailru/easyjson v0.7.6/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc=
+github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
 github.com/pelletier/go-toml v1.9.4/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/swaggo/files v0.0.0-20190704085106-630677cd5c14 h1:PyYN9JH5jY9j6av01SpfRMb+1DWg/i3MbGOKPxJ2wjM=
 github.com/swaggo/files v0.0.0-20190704085106-630677cd5c14/go.mod h1:gxQT6pBGRuIGunNf/+tSOB5OHvguWi8Tbt82WOkf35E=
@@ -67,6 +72,7 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.4.2 h1:Gz96sIWK3OalVv/I/qNygP42zyoKp3xptRVCWRFEBvo=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@@ -103,9 +109,11 @@ golang.org/x/tools v0.1.1 h1:wGiQel/hW0NnEkJUk8lbzkX2gFJU6PFxf1v5OlCfuOs=
 golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -113,4 +121,5 @@ gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 h1:tQIYjPdBoyREyB9XMu+nnTclpTYkz2zFM+lzLJFO4gQ=
 gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/operation.go b/operation.go
index f263568..45d8cbe 100644
--- a/operation.go
+++ b/operation.go
@@ -141,8 +141,16 @@ func (o *Operation) Process() error {
 		if t.Kind() == reflect.Ptr {
 			t = t.Elem()
 		}
+		slice := false
+		if t.Kind() == reflect.Slice {
+			slice = true
+			t = t.Elem()
+		}
 		if t.Kind() == reflect.Struct {
 			schema := spec.RefSchema("#/definitions/" + t.Name())
+			if slice {
+				schema = spec.ArrayProperty(schema)
+			}
 			param := BodyParam("body", schema).
 				WithDescription(o.bindParam.description).
 				AsRequired()
@@ -197,6 +205,7 @@ func NewBindResponse(i interface{}, description string) *spec.Response {
 
 	if t.Kind() == reflect.Struct {
 		schema := spec.RefSchema("#/definitions/" + t.Name())
+
 		if slice {
 			resp.WithSchema(spec.ArrayProperty(schema))
 		} else {
diff --git a/swagger.go b/swagger.go
index d79df87..7337904 100644
--- a/swagger.go
+++ b/swagger.go
@@ -253,14 +253,31 @@ func (s *Swagger) BindDefinitionWithTags(i interface{}, attachFields map[string]
 				panic(fmt.Errorf("unsupported swagger type %s", f.Type))
 			}
 		case reflect.Ptr:
-			if et := f.Type.Elem(); et.Kind() == reflect.Struct {
+			et := f.Type.Elem()
+			switch et.Kind() {
+			case reflect.Bool:
+				propSchema = spec.BoolProperty()
+			case reflect.Int8:
+				propSchema = spec.Int8Property()
+			case reflect.Int16:
+				propSchema = spec.Int16Property()
+			case reflect.Int32:
+				propSchema = spec.Int32Property()
+			case reflect.Int64:
+				propSchema = spec.Int64Property()
+			case reflect.String:
+				propSchema = spec.StringProperty()
+			case reflect.Struct:
 				propSchema = spec.RefSchema("#/definitions/" + et.Name())
-			} else {
+			default:
 				panic(fmt.Errorf("unsupported swagger type %s", f.Type))
 			}
 		case reflect.Slice:
 			{
 				et := f.Type.Elem()
+				if et.Kind() == reflect.Ptr {
+					et = et.Elem()
+				}
 
 				var items *spec.Schema
 				switch k := et.Kind(); k {
@@ -288,6 +305,8 @@ func (s *Swagger) BindDefinitionWithTags(i interface{}, attachFields map[string]
 
 				propSchema = spec.ArrayProperty(items)
 			}
+		case reflect.Interface:
+			propSchema = spec.ComposedSchema()
 		default:
 			panic(fmt.Errorf("unsupported swagger type %s", f.Type))
 		}