diff --git a/app/internal/model/db.json b/app/internal/model/db.json
index ba3c843..d540094 100644
--- a/app/internal/model/db.json
+++ b/app/internal/model/db.json
@@ -74,24 +74,6 @@
 				"null": false,
 				"size": 8
 			},
-			{
-				"name": "p_gem_1",
-				"type": "double precision",
-				"null": false,
-				"size": 8
-			},
-			{
-				"name": "p_gem_2",
-				"type": "double precision",
-				"null": false,
-				"size": 8
-			},
-			{
-				"name": "p_gem_3",
-				"type": "double precision",
-				"null": false,
-				"size": 8
-			},
 			{
 				"name": "p_max_1",
 				"type": "double precision",
@@ -110,24 +92,6 @@
 				"null": false,
 				"size": 8
 			},
-			{
-				"name": "s_gem_1",
-				"type": "double precision",
-				"null": false,
-				"size": 8
-			},
-			{
-				"name": "s_gem_2",
-				"type": "double precision",
-				"null": false,
-				"size": 8
-			},
-			{
-				"name": "s_gem_3",
-				"type": "double precision",
-				"null": false,
-				"size": 8
-			},
 			{
 				"name": "s_max_1",
 				"type": "double precision",
diff --git a/server/main.go b/server/main.go
index d766d00..3bfab4a 100644
--- a/server/main.go
+++ b/server/main.go
@@ -28,10 +28,14 @@ func main() {
 	e.HideBanner = true
 	e.Use(recoverMiddleware)
 
-	e.GET(`/count`, count)
+	pq := e.Group(`/pq`)
+	pq.GET(`/count`, count)
+	pq.GET(`/list`, listAttr)
 
 	for _, v := range app.GetAttributes() {
-		e.GET(`/`+strings.ToLower(v.Name)+`/:date`, getAttr(v.Index))
+		pq.GET(`/`+strings.ToLower(v.Name)+`/:date`, getAttr(v.Index))
+
+		attrs = append(attrs, strings.ToLower(v.Name))
 	}
 
 	panic(e.Start(`localhost:33333`))
@@ -41,6 +45,12 @@ func count(c echo.Context) error {
 	return c.JSON(200, app.Count())
 }
 
+var attrs []string
+
+func listAttr(c echo.Context) error {
+	return c.JSON(200, attrs)
+}
+
 func getAttr(index int) echo.HandlerFunc {
 	return func(c echo.Context) error {
 		date, err := time.Parse(time.RFC3339, c.Param(`date`))