diff --git a/proxy/sensor/sensor.go b/proxy/sensor/sensor.go
index dbca22f..c7517da 100644
--- a/proxy/sensor/sensor.go
+++ b/proxy/sensor/sensor.go
@@ -8,10 +8,10 @@ import (
 )
 
 type Sensor struct {
-	Id json.Number					`json:"id,Number,omitempty"`
-	Target target.Target			`json:"target,omitempty"`
-	Notification string				`json:"notification,omitempty"`
-	CreateDate timestamp.Timestamp	`json:"createDate,omitempty"`
+	Id           json.Number         `json:"id,Number,omitempty"`
+	Target       target.Target       `json:"target,omitempty"`
+	Notification string              `json:"notification,omitempty"`
+	CreateDate   timestamp.Timestamp `json:"createDate,omitempty"`
 }
 
 type SensorService struct {
@@ -30,9 +30,7 @@ func (ss *SensorService) Create(s *Sensor) (string, error) {
 	return out, nil
 }
 
-
-func (ss *SensorService)List(t *target.Target) (string, error) {
-
+func (ss *SensorService) List(t *target.Target) (string, error) {
 
 	out, err := utils.InvokeDBByModel("sensor", "findAllByTargetId", t, "com.loafle.overflow.target.model.Target")
 
@@ -40,7 +38,6 @@ func (ss *SensorService)List(t *target.Target) (string, error) {
 		return "", err
 	}
 
-
-	return out, nil;
+	return out, nil
 
 }
diff --git a/proxy/sensorItem/sensorItem.go b/proxy/sensorItem/sensorItem.go
index 147d192..4c9850e 100644
--- a/proxy/sensorItem/sensorItem.go
+++ b/proxy/sensorItem/sensorItem.go
@@ -2,32 +2,31 @@ package sensorItem
 
 import (
 	"encoding/json"
-	"github.com/golang/protobuf/ptypes/timestamp"
 	"git.loafle.net/overflow/crawler_go"
 	"git.loafle.net/overflow/overflow_proxy_service/proxy/sensorItemCategory"
-	"git.loafle.net/overflow/overflow_proxy_service/proxy/utils"
 	"git.loafle.net/overflow/overflow_proxy_service/proxy/target"
+	"git.loafle.net/overflow/overflow_proxy_service/proxy/utils"
+	"github.com/golang/protobuf/ptypes/timestamp"
 )
 
 type SensorItem struct {
-	Id json.Number												`json:"id,Number,omitempty"`
-	Crawler crawler.Crawler										`json:"crawler,omitempty"`
-	SensorItemCategory sensorItemCategory.SensorItemCategory	`json:"sensorItemCategory,omitempty"`
-	Name string													`json:"name,omitempty"`
-	Description string											`json:"description,omitempty"`
-	DataType string												`json:"dataType,omitempty"`
-	CreateDate timestamp.Timestamp								`json:"createDate,omitempty"`
+	Id                 json.Number                           `json:"id,Number,omitempty"`
+	Crawler            crawler.Crawler                       `json:"crawler,omitempty"`
+	SensorItemCategory sensorItemCategory.SensorItemCategory `json:"sensorItemCategory,omitempty"`
+	Name               string                                `json:"name,omitempty"`
+	Description        string                                `json:"description,omitempty"`
+	DataType           string                                `json:"dataType,omitempty"`
+	CreateDate         timestamp.Timestamp                   `json:"createDate,omitempty"`
 }
 
 type SensorItemService struct {
-
 }
 
-func NewSensorItemService() (*SensorItemService) {
+func NewSensorItemService() *SensorItemService {
 	return &SensorItemService{}
 }
 
-func (sis *SensorItemService) Create(si *SensorItem) (string, error){
+func (sis *SensorItemService) Create(si *SensorItem) (string, error) {
 	out, err := utils.InvokeDB("sensorItem", "create", si)
 
 	if err != nil {
@@ -36,9 +35,7 @@ func (sis *SensorItemService) Create(si *SensorItem) (string, error){
 	return out, nil
 }
 
-
-func (ss *SensorItemService)List(cr *crawler.Crawler) (string, error) {
-
+func (ss *SensorItemService) List(cr *crawler.Crawler) (string, error) {
 
 	out, err := utils.InvokeDBByModel("sensorItem", "findAllByCrawlerId", cr, "com.loafle.overflow.crawler.model.Crawler")
 
@@ -46,7 +43,6 @@ func (ss *SensorItemService)List(cr *crawler.Crawler) (string, error) {
 		return "", err
 	}
 
+	return out, nil
 
-	return out, nil;
-
-}
\ No newline at end of file
+}
diff --git a/proxy/sensorItemCategory/sensorItemCategory.go b/proxy/sensorItemCategory/sensorItemCategory.go
index 7435190..976e2cb 100644
--- a/proxy/sensorItemCategory/sensorItemCategory.go
+++ b/proxy/sensorItemCategory/sensorItemCategory.go
@@ -7,26 +7,24 @@ import (
 )
 
 type SensorItemCategory struct {
-	Id json.Number					`json:"id,Number,omitempty"`
-	Name string						`json:"name,omitempty"`
-	Description string				`json:"description,omitempty"`
-	CreateDate timestamp.Timestamp	`json:"createDate,omitempty"`
+	Id          json.Number         `json:"id,Number,omitempty"`
+	Name        string              `json:"name,omitempty"`
+	Description string              `json:"description,omitempty"`
+	CreateDate  timestamp.Timestamp `json:"createDate,omitempty"`
 }
 
 type SensorItemCategoryService struct {
-
 }
 
-func NewSensorItemCategoryService () (*SensorItemCategoryService ) {
+func NewSensorItemCategoryService() *SensorItemCategoryService {
 	return &SensorItemCategoryService{}
 }
 
-
-func (sics *SensorItemCategoryService) Create(sic *SensorItemCategory) (string, error){
+func (sics *SensorItemCategoryService) Create(sic *SensorItemCategory) (string, error) {
 	out, err := utils.InvokeDB("sensorItemCategory", "create", sic)
 
 	if err != nil {
 		return "", err
 	}
 	return out, nil
-}
\ No newline at end of file
+}
diff --git a/proxy/sensorItemMapping/sensorItemMapping.go b/proxy/sensorItemMapping/sensorItemMapping.go
index 6270f94..7e85156 100644
--- a/proxy/sensorItemMapping/sensorItemMapping.go
+++ b/proxy/sensorItemMapping/sensorItemMapping.go
@@ -9,17 +9,16 @@ import (
 )
 
 type SensorItemMapping struct {
-	Id json.Number						`json:"id,Number,omitempty"`
-	Sensor sensor.Sensor				`json:"sensor,omitempty"`
-	SensorItem sensorItem.SensorItem	`json:"sensorItem,omitempty"`
-	CreateDate timestamp.Timestamp		`json:"createDate,omitempty"`
+	Id         json.Number           `json:"id,Number,omitempty"`
+	Sensor     sensor.Sensor         `json:"sensor,omitempty"`
+	SensorItem sensorItem.SensorItem `json:"sensorItem,omitempty"`
+	CreateDate timestamp.Timestamp   `json:"createDate,omitempty"`
 }
 
 type SensorItemMappingService struct {
-
 }
 
-func NewSensorItemMappingService() (*SensorItemMappingService) {
+func NewSensorItemMappingService() *SensorItemMappingService {
 	return &SensorItemMappingService{}
 }
 
@@ -32,9 +31,7 @@ func (sims *SensorItemMappingService) Create(sim *SensorItemMapping) (string, er
 	return out, nil
 }
 
-
-func (ss *SensorItemMappingService)List(s *sensor.Sensor) (string, error) {
-
+func (ss *SensorItemMappingService) List(s *sensor.Sensor) (string, error) {
 
 	out, err := utils.InvokeDBByModel("sensorItemMapping", "findAllBySensorId", s, "com.loafle.overflow.sensor.model.Sensor")
 
@@ -42,7 +39,6 @@ func (ss *SensorItemMappingService)List(s *sensor.Sensor) (string, error) {
 		return "", err
 	}
 
+	return out, nil
 
-	return out, nil;
-
-}
\ No newline at end of file
+}