diff --git a/app.py b/app.py
index 12560ec..e6b1f43 100644
--- a/app.py
+++ b/app.py
@@ -4,6 +4,7 @@ import hashlib
 from flask import Flask, render_template, redirect, url_for, request
 from flask_login import login_required, LoginManager, login_user, logout_user, current_user
 
+from models.Habit import Habit
 from models.User import User
 from utils import anonymous_required
 
@@ -129,4 +130,4 @@ def logout():
 
 # Run the application
 if __name__ == '__main__':
-    app.run(port=5000, debug=True)
+    app.run(port=5000, debug=True)
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diff --git a/db/SQLiteClient.py b/db/SQLiteClient.py
index 99e6c73..28bb449 100644
--- a/db/SQLiteClient.py
+++ b/db/SQLiteClient.py
@@ -41,6 +41,17 @@ def get_user_by_email(email: str):
     return user
 
 
+def delete_user(id: int):
+    query = f"DELETE FROM habits WHERE user_id = {id};"
+    query2 = f"DELETE FROM users WHERE id = {id};"
+    conn = con3()
+    cursor = conn.cursor()
+    cursor.execute(query)
+    cursor.execute(query2)
+    conn.commit()
+    conn.close()
+
+
 def create_habit(name: str, user_id: int, times: int, unit: int, slot: int, note: str | None=None):
     now = datetime.now().isoformat()
     query = (f"INSERT INTO habits (user_id, name, note, times, unit, list_index, created_at, updated_at) VALUES ('{user_id}', "
@@ -58,9 +69,9 @@ def get_habit(id: int):
     conn = con3()
     cursor = conn.cursor()
     cursor.execute(query)
-    habits = cursor.fetchone()
+    habit = cursor.fetchone()
     conn.close()
-    return habits
+    return habit
 
 
 def get_habits(user_id: int):
@@ -68,6 +79,15 @@ def get_habits(user_id: int):
     conn = con3()
     cursor = conn.cursor()
     cursor.execute(query)
-    habits = cursor.fetchone()
+    habits = cursor.fetchall()
     conn.close()
-    return habits
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+    return habits
+
+
+def delete_habit(id: int):
+    query = f"DELETE FROM habits WHERE id = {id};"
+    conn = con3()
+    cursor = conn.cursor()
+    cursor.execute(query)
+    conn.commit()
+    conn.close()
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