diff --git a/angular/src/app/services/data.service.ts b/angular/src/app/services/data.service.ts
index f6665a3..438ad0f 100644
--- a/angular/src/app/services/data.service.ts
+++ b/angular/src/app/services/data.service.ts
@@ -12,6 +12,9 @@ export class DataService {
 
   public list(p: DataParams): Observable<Data[]> {
     let params = new HttpParams();
+
+    params = params.append('response_type', 'list');
+
     if (p.start !== undefined) {
       params = params.append('start', p.start.toString());
     }
@@ -92,6 +95,8 @@ export class DataService {
   public find(p: DataParams): Observable<Data> {
     let params = new HttpParams();
 
+    params = params.append('response_type', 'one');
+
     // if
     if (p.idQuery !== undefined) {
       params = params.append('id', '1');
@@ -162,7 +167,8 @@ export class DataService {
       }
     }
 
-    return this.http.get<Data>(this.rootURL + '1', {params: params});
+
+    return this.http.get<Data>(this.rootURL, {params: params});
   }
 
   public create(m: Data) {
diff --git a/api/handler/data.go b/api/handler/data.go
index 657c8c8..1d85dce 100644
--- a/api/handler/data.go
+++ b/api/handler/data.go
@@ -85,6 +85,7 @@ func (h *Handler) ListData(cx *gin.Context) {
 		p.LocationQuery.Options = cx.Query("location.options")
 	}
 
+	// int64
 	if age == "1" {
 		p.Age = true
 		p.AgeQuery = repo.DataAgeQuery{}
@@ -104,6 +105,7 @@ func (h *Handler) ListData(cx *gin.Context) {
 		p.AgeQuery.To = to
 	}
 
+	// float64
 	if price == "1" {
 		p.Price = true
 		p.PriceQuery = repo.DataPriceQuery{}
@@ -121,6 +123,7 @@ func (h *Handler) ListData(cx *gin.Context) {
 		p.PriceQuery.To = to
 	}
 
+	// bool
 	if enabled == "1" {
 		p.Enabled = true
 		p.EnabledQuery = repo.DataEnabledQuery{}