diff --git a/app/controllers/auth_controller.py b/app/controllers/auth_controller.py
index ac6e6cd..0b1b2e9 100644
--- a/app/controllers/auth_controller.py
+++ b/app/controllers/auth_controller.py
@@ -1,10 +1,15 @@
 from flask import jsonify, request, current_app
 from pydantic import ValidationError
+from models.login.login_response import UserResponseModel
 from schemas.basic_response_schema import ResponseSchema
 from schemas.google_login_schema import GoogleLoginSchema
 from schemas import LoginSchema
 from services import UserService, AuthService
 from exception import AuthException
+from mapper import UserMapper
+import logging
+
+logging = logging.getLogger(__name__)
 
 
 class AuthController:
@@ -20,7 +25,8 @@ class AuthController:
             return (
                 jsonify(
                     ResponseSchema(
-                        message="Register success", data=response
+                        message="Register success",
+                        data=UserMapper.user_entity_to_response(response),
                     ).model_dump()
                 ),
                 200,
@@ -34,7 +40,7 @@ class AuthController:
             current_app.logger.error(
                 f"Error during Google login: {str(e)}", exc_info=True
             )
-            response = ResponseSchema( 
+            response = ResponseSchema(
                 message="Internal server error", data=None, meta=None
             )
             return jsonify(response.model_dump()), 500
@@ -59,7 +65,7 @@ class AuthController:
 
             response = ResponseSchema(
                 message="Login successful",
-                data=user_info,
+                data=UserMapper.user_entity_to_response(user_info),
                 meta=None,
             )
             return jsonify(response.model_dump()), 200
diff --git a/app/main.py b/app/main.py
index a1bf450..aa28293 100644
--- a/app/main.py
+++ b/app/main.py
@@ -4,10 +4,15 @@ from configs import Config, LoggerConfig
 from flask import Flask
 from blueprints import auth_blueprint, user_blueprint
 from database import init_db
+import logging
 
 
 def createApp() -> Flask:
     app = Flask(__name__)
+
+    logging.basicConfig(
+        level=logging.INFO, format="%(asctime)s [%(levelname)s] %(name)s: %(message)s"
+    )
     app.config.from_object(Config)
     LoggerConfig.init_logger(app)
 
diff --git a/app/mapper/user_mapper.py b/app/mapper/user_mapper.py
index d7f16be..4b2c835 100644
--- a/app/mapper/user_mapper.py
+++ b/app/mapper/user_mapper.py
@@ -1,6 +1,6 @@
 from datetime import datetime
 from typing import Dict, Optional
-from models import UserEntity
+from models import UserEntity, UserResponseModel
 from schemas import RegisterSchema
 
 
@@ -39,3 +39,18 @@ class UserMapper:
             updated_at=datetime.now(),
             verification_token=None,
         )
+
+    @staticmethod
+    def user_entity_to_response(user: UserEntity) -> UserResponseModel:
+        return UserResponseModel(
+            _id=str(user._id) if user._id else None,
+            google_id=user.google_id,
+            email=user.email,
+            name=user.name,
+            birth_date=user.birth_date,
+            pic_url=user.pic_url,
+            phone=user.phone,
+            locale=user.locale,
+            # created_at=user.created_at,
+            # updated_at=user.updated_at,
+        )
diff --git a/app/models/__init__.py b/app/models/__init__.py
index 6677d42..0b67db1 100644
--- a/app/models/__init__.py
+++ b/app/models/__init__.py
@@ -1,4 +1,5 @@
 # app/models/__init__.py
 from .entities import UserEntity
+from .login import UserResponseModel
 
-__all__ = ["UserEntity", "UserDTO"]
+__all__ = ["UserEntity", "UserDTO", "UserResponseModel"]
diff --git a/app/models/login/__init__.py b/app/models/login/__init__.py
new file mode 100644
index 0000000..4cec001
--- /dev/null
+++ b/app/models/login/__init__.py
@@ -0,0 +1 @@
+from .login_response import UserResponseModel
diff --git a/app/models/login/login_response.py b/app/models/login/login_response.py
new file mode 100644
index 0000000..b31ce3a
--- /dev/null
+++ b/app/models/login/login_response.py
@@ -0,0 +1,20 @@
+from pydantic import BaseModel, EmailStr, Field
+from typing import Optional
+from datetime import datetime
+
+
+class UserResponseModel(BaseModel):
+    id: Optional[str] = Field(alias="_id")
+    google_id: Optional[str] = None
+    email: EmailStr
+    name: str
+    birth_date: Optional[datetime] = None
+    pic_url: Optional[str] = None
+    phone: Optional[str] = None
+    locale: str
+
+    class Config:
+        allow_population_by_field_name = True
+        json_encoders = {
+            datetime: lambda v: v.isoformat(),
+        }
diff --git a/app/services/auth_service.py b/app/services/auth_service.py
index 22134e9..c6f0ff0 100644
--- a/app/services/auth_service.py
+++ b/app/services/auth_service.py
@@ -37,8 +37,10 @@ class AuthService:
 
     def login(self, data: LoginSchema):
 
+        current_app.logger.info(f"request data: {data}")
         user_data = self.user_repository.get_user_by_email(data.email)
 
+        current_app.logger.info(f"user_data: {user_data}")
         if user_data == None:
             return None
 
diff --git a/app/services/lstm.py b/app/services/lstm.py
deleted file mode 100644
index dd52124..0000000
--- a/app/services/lstm.py
+++ /dev/null
@@ -1,53 +0,0 @@
-import numpy as np
-
-
-class LSTM:
-    def __init__(self, input_dim, hidden_dim):
-        self.input_dim = input_dim
-        self.hidden_dim = hidden_dim
-        self.Wf = np.random.randn(hidden_dim, input_dim + hidden_dim) * 0.01
-        self.Wi = np.random.randn(hidden_dim, input_dim + hidden_dim) * 0.01
-        self.Wc = np.random.randn(hidden_dim, input_dim + hidden_dim) * 0.01
-        self.Wo = np.random.randn(hidden_dim, input_dim + hidden_dim) * 0.01
-        self.bf = np.zeros((hidden_dim, 1))
-        self.bi = np.zeros((hidden_dim, 1))
-        self.bc = np.zeros((hidden_dim, 1))
-        self.bo = np.zeros((hidden_dim, 1))
-        self.h = np.zeros((hidden_dim, 1))
-        self.c = np.zeros((hidden_dim, 1))
-
-    def sigmoid(self, x):
-        return 1 / (1 + np.exp(-x))
-
-    def tanh(self, x):
-        return np.tanh(x)
-
-    def forward(self, x_t):
-        combined = np.vstack((self.h, x_t))
-        f_t = self.sigmoid(np.dot(self.Wf, combined) + self.bf)
-        i_t = self.sigmoid(np.dot(self.Wi, combined) + self.bi)
-        C_tilde_t = self.tanh(np.dot(self.Wc, combined) + self.bc)
-        self.c = f_t * self.c + i_t * C_tilde_t
-        o_t = self.sigmoid(np.dot(self.Wo, combined) + self.bo)
-        self.h = o_t * self.tanh(self.c)
-        return self.h
-
-    def backward(self, x_t, h_t, y_t, learning_rate):
-        # Your backward pass implementation here
-        pass
-
-    def train(self, X, y, num_epochs, learning_rate):
-        for epoch in range(num_epochs):
-            for i in range(len(X)):
-                x_t = X[i]
-                y_t = y[i]
-
-                # Forward pass
-                h_t = self.forward(x_t)
-
-                # Calculate loss and perform backward pass
-                loss = np.mean((h_t - y_t) ** 2)  # Example loss
-                self.backward(x_t, h_t, y_t, learning_rate)
-
-                if i % 100 == 0:  # Print loss every 100 samples
-                    print(f"Epoch {epoch}, Sample {i}, Loss: {loss}")
diff --git a/app/services/lstm_service.py b/app/services/lstm_service.py
new file mode 100644
index 0000000..34f5bca
--- /dev/null
+++ b/app/services/lstm_service.py
@@ -0,0 +1,58 @@
+from keras.models import load_model
+import pickle
+
+
+class LSTMService:
+
+    def predict(self, input_data, maxlen=50):
+
+        with open("QC/tokenizers.pkl", "rb") as f:
+            tokenizers = pickle.load(f)
+
+        model = load_model("QC/lstm_qg.keras")
+
+        tok_token = tokenizers["token"]
+        tok_ner = tokenizers["ner"]
+        tok_srl = tokenizers["srl"]
+        tok_q = tokenizers["question"]
+        tok_a = tokenizers["answer"]
+        tok_type = tokenizers["type"]
+
+        # Prepare input
+        tokens = input_data["tokens"]
+        ner = input_data["ner"]
+        srl = input_data["srl"]
+
+        x_tok = pad_sequences(
+            [tok_token.texts_to_sequences([tokens])[0]], maxlen=maxlen, padding="post"
+        )
+        x_ner = pad_sequences(
+            [tok_ner.texts_to_sequences([ner])[0]], maxlen=maxlen, padding="post"
+        )
+        x_srl = pad_sequences(
+            [tok_srl.texts_to_sequences([srl])[0]], maxlen=maxlen, padding="post"
+        )
+
+        # Predict
+        pred_q, pred_a, pred_type = model.predict([x_tok, x_ner, x_srl])
+        pred_q_ids = np.argmax(pred_q[0], axis=-1)
+        pred_a_ids = np.argmax(pred_a[0], axis=-1)
+        pred_type_id = np.argmax(pred_type[0])
+
+        # Decode
+        index2word_q = {v: k for k, v in tok_q.word_index.items()}
+        index2word_a = {v: k for k, v in tok_a.word_index.items()}
+        index2word_q[0] = "<PAD>"
+        index2word_a[0] = "<PAD>"
+
+        decoded_q = [index2word_q[i] for i in pred_q_ids if i != 0]
+        decoded_a = [index2word_a[i] for i in pred_a_ids if i != 0]
+
+        index2type = {v - 1: k for k, v in tok_type.word_index.items()}
+        decoded_type = index2type.get(pred_type_id, "unknown")
+
+        return {
+            "question": " ".join(decoded_q),
+            "answer": " ".join(decoded_a),
+            "type": decoded_type,
+        }
diff --git a/requirement.txt b/requirement.txt
index e001950..0494ec4 100644
--- a/requirement.txt
+++ b/requirement.txt
@@ -1,7 +1,9 @@
 annotated-types==0.7.0
 Authlib==1.5.1
 bcrypt==4.3.0
+bidict==0.23.1
 blinker==1.9.0
+cachetools==5.5.2
 certifi==2025.1.31
 cffi==1.17.1
 charset-normalizer==3.4.1
@@ -16,23 +18,40 @@ Flask-Bcrypt==1.0.1
 Flask-JWT-Extended==4.7.1
 Flask-Login==0.6.3
 Flask-PyMongo==3.0.1
+Flask-SocketIO==5.5.1
+flask-swagger-ui==4.11.1
+google-auth==2.38.0
+google-auth-httplib2==0.2.0
+google-auth-oauthlib==1.2.1
+h11==0.14.0
+httplib2==0.22.0
 idna==3.10
 iniconfig==2.0.0
 itsdangerous==2.2.0
 Jinja2==3.1.6
 MarkupSafe==3.0.2
 numpy==2.1.2
+oauthlib==3.2.2
 packaging==24.2
 pluggy==1.5.0
+pyasn1==0.6.1
+pyasn1_modules==0.4.1
 pycparser==2.22
 pydantic==2.10.6
 pydantic_core==2.27.2
 PyJWT==2.10.1
 pymongo==4.11.2
+pyparsing==3.2.1
 pytest==8.3.4
 python-dotenv==1.0.1
+python-engineio==4.11.2
+python-socketio==5.12.1
 requests==2.32.3
+requests-oauthlib==2.0.0
+rsa==4.9
+simple-websocket==1.1.0
 tomli==2.2.1
 typing_extensions==4.12.2
 urllib3==2.3.0
 Werkzeug==3.1.3
+wsproto==1.2.0