diff --git a/prisma/dev.db b/prisma/dev.db
index b04aa6c..63e144b 100644
Binary files a/prisma/dev.db and b/prisma/dev.db differ
diff --git a/prisma/dev.db-journal b/prisma/dev.db-journal
new file mode 100644
index 0000000..ffd9f7e
Binary files /dev/null and b/prisma/dev.db-journal differ
diff --git a/prisma/migrations/20210924101547_add_profile/migration.sql b/prisma/migrations/20210924101547_add_profile/migration.sql
new file mode 100644
index 0000000..0db742f
--- /dev/null
+++ b/prisma/migrations/20210924101547_add_profile/migration.sql
@@ -0,0 +1,20 @@
+-- RedefineTables
+PRAGMA foreign_keys=OFF;
+CREATE TABLE "new_Profile" (
+    "id" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    "bio" TEXT NOT NULL,
+    "avatar" TEXT,
+    "userId" INTEGER NOT NULL,
+    "enabled" BOOLEAN NOT NULL DEFAULT true,
+    CONSTRAINT "Profile_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User" ("id") ON DELETE RESTRICT ON UPDATE CASCADE
+);
+INSERT INTO "new_Profile" ("avatar", "bio", "enabled", "id", "userId") SELECT "avatar", "bio", "enabled", "id", "userId" FROM "Profile";
+DROP TABLE "Profile";
+ALTER TABLE "new_Profile" RENAME TO "Profile";
+CREATE UNIQUE INDEX "Profile_userId_key" ON "Profile"("userId");
+PRAGMA foreign_key_check;
+PRAGMA foreign_keys=ON;
+
+-- RedefineIndex
+DROP INDEX "User.email_unique";
+CREATE UNIQUE INDEX "User_email_key" ON "User"("email");
diff --git a/src/User/UserService.ts b/src/User/UserService.ts
index f34844c..e8807d8 100644
--- a/src/User/UserService.ts
+++ b/src/User/UserService.ts
@@ -4,8 +4,8 @@ import UserRequest from "../Model/UserRequest";
 
 const prisma = new PrismaClient();
 
-function isProfileExistByEmail(email: string) {
-  const exist = prisma.profile.count({
+async function isProfileExistByEmail(email: string) {
+  const exist = await prisma.profile.count({
     where: {
       user: {
         email: email,
@@ -13,7 +13,7 @@ function isProfileExistByEmail(email: string) {
     },
   });
 
-  return exist.then((c) => c > 0).catch((e) => 0);
+  return exist > 0;
 }
 
 async function findOneProfileByEmail(email: string) {
@@ -30,15 +30,15 @@ async function findOneProfileByEmail(email: string) {
 
   return profile;
 }
-
-function isExistByEmail(email: string) {
-  const exist = prisma.user.count({
+ 
+async function isExistByEmail(email: string) {
+  const exist = await prisma.user.count({
     where: {
       email: email,
     },
   });
 
-  return exist.then((c) => c > 0).catch((e) => 0);
+  return exist > 0;
 }
 
 async function findOneByEmail(
@@ -59,7 +59,7 @@ async function findOneByEmail(
 }
 
 async function createUser(request: UserRequest) {
-  if (isExistByEmail(request.email)) {
+  if (await isExistByEmail(request.email)) {
     return findOneByEmail(request.email);
   }
 
@@ -76,7 +76,7 @@ async function createUser(request: UserRequest) {
 }
 
 async function createProfile(user: User, request: ProfileRequest) {
-  if (isProfileExistByEmail(user.email)) {
+  if (await isProfileExistByEmail(user.email)) {
     return findOneProfileByEmail(user.email);
   }
 
diff --git a/tests/user.test.ts b/tests/user.test.ts
index 89b4ba6..bf05bbc 100644
--- a/tests/user.test.ts
+++ b/tests/user.test.ts
@@ -15,13 +15,13 @@ describe("user", function () {
   const bio = "Software Developer";
 
   // create user test
-  it("createUser", async (done) => {
+  it("createUser", (done) => {
     // create user
-    await createUser({
+    createUser({
       email: email,
       name: name,
     })
-      .then(async (user) => {
+      .then((user) => {
         if (user == null) {
           throw Error("user is null");
         }
@@ -31,7 +31,7 @@ describe("user", function () {
         expect(name).toBe(user.name);
 
         // create profile
-        await createProfile(user, {
+        createProfile(user, {
           bio: "Software Developer",
         })
           .then((profile) => {
@@ -50,8 +50,8 @@ describe("user", function () {
   });
 
   // check user test
-  it("checkUser", async (done) => {
-    await findOneByEmail(email)
+  it("checkUser", (done) => {
+    findOneByEmail(email)
       .then((user) => {
         if (user == null) {
           throw Error("user is null");
@@ -66,8 +66,8 @@ describe("user", function () {
   });
 
   // check profile included user test
-  it("checkProfileUser", async (done) => {
-    await findOneProfileByEmail(email)
+  it("checkProfileUser", (done) => {
+    findOneProfileByEmail(email)
       .then((profile) => {
         if (profile == null) {
           throw Error("profile is null");
@@ -83,8 +83,8 @@ describe("user", function () {
   });
 
   // try to finish
-  afterAll(async (done) => {
-    await prisma.$disconnect();
+  afterAll((done) => {
+    prisma.$disconnect();
 
     done();
   });