diff --git a/model/team.go b/model/team.go
index a44220a..881b117 100644
--- a/model/team.go
+++ b/model/team.go
@@ -1,7 +1,7 @@
 package model
 
 type Team struct {
-	Activate bool   `json:"active"` // チームが利用可能な状態かどうか
-	ID       string `json:"id"`     // チームの一意なID
-	Name     string `json:"name"`   // チームに設定されている名前を表します。
+	Active bool   `json:"active"` // チームが利用可能な状態かどうか
+	ID     string `json:"id"`     // チームの一意なID
+	Name   string `json:"name"`   // チームに設定されている名前を表します。
 }
diff --git a/model/teams.go b/model/teams.go
index a1fc2cb..d08384a 100644
--- a/model/teams.go
+++ b/model/teams.go
@@ -13,6 +13,6 @@ func FetchTeams(client api.Client) (teams Teams, err error) {
 	if err != nil {
 		return
 	}
-	json.Unmarshal(body, &teams)
+	err = json.Unmarshal(body, &teams)
 	return
 }
diff --git a/model/teams_test.go b/model/teams_test.go
new file mode 100644
index 0000000..faa072a
--- /dev/null
+++ b/model/teams_test.go
@@ -0,0 +1,84 @@
+package model_test
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"testing"
+
+	"github.com/minodisk/qiitactl/api"
+	"github.com/minodisk/qiitactl/model"
+)
+
+func TestTeams_FetchTeams(t *testing.T) {
+	mux := http.NewServeMux()
+	mux.HandleFunc("/api/v2/teams", func(w http.ResponseWriter, r *http.Request) {
+		if r.Method != "GET" {
+			log.Fatalf("wrong method: %s", r.Method)
+		}
+		w.Write([]byte(`[
+			{
+				"active": true,
+				"id": "increments",
+				"name": "Increments Inc."
+			}
+		]`))
+	})
+	server := httptest.NewServer(mux)
+	defer server.Close()
+
+	err := os.Setenv("QIITA_ACCESS_TOKEN", "XXXXXXXXXXXX")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	client, err := api.NewClient(func(subDomain, path string) (url string) {
+		url = fmt.Sprintf("%s%s%s", server.URL, "/api/v2", path)
+		return
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	teams, err := model.FetchTeams(client)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if len(teams) != 1 {
+		t.Fatalf("wrong length of teams: expected %d, but actual %d", 1, len(teams))
+	}
+
+	if teams[0].Active != true || teams[0].ID != "increments" || teams[0].Name != "Increments Inc." {
+		t.Errorf("wrong team: %+v", teams[0])
+	}
+}
+
+func TestTeams_FetchTeamsError(t *testing.T) {
+	mux := http.NewServeMux()
+	mux.HandleFunc("/api/v2/teams", func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(503)
+	})
+	server := httptest.NewServer(mux)
+	defer server.Close()
+
+	err := os.Setenv("QIITA_ACCESS_TOKEN", "XXXXXXXXXXXX")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	client, err := api.NewClient(func(subDomain, path string) (url string) {
+		url = fmt.Sprintf("%s%s%s", server.URL, "/api/v2", path)
+		return
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	_, err = model.FetchTeams(client)
+	if err == nil {
+		t.Fatal("should occur error")
+	}
+}