diff --git a/src/services/mysql.service.ts b/src/services/mysql.service.ts
index 6436ef2..cd379b9 100644
--- a/src/services/mysql.service.ts
+++ b/src/services/mysql.service.ts
@@ -92,14 +92,15 @@ const MySqlService = {
 	User: {
 
 		/**
-		 * Insert a user into the database.
+		 * Inserts a new user into the database.
 		 *
 		 * @param {MysqlHandler} handler - The MySQL database handler.
 		 * @param {IDbUser} data - The user data to insert.
-		 * @returns {Promise<unknown>} A promise that resolves if the user was inserted successfully, or rejects with an error.
-		 * @throws {Error} If an error occurs while executing the query.
+		 * @returns {Promise<IDbStatusResult>} A promise that resolves with the database status result.
+		 * @throws {Error} If an error occurs during the execution.
+		 * @throws {string} If the `id` field is undefined or invalid.
 		 */
-		insert(handler: MysqlHandler, data: IDbUser): Promise<unknown> {
+		insert(handler: MysqlHandler, data: IDbUser): Promise<IDbStatusResult> {
 			return new Promise((resolve, reject) => {
 				if (!data.id) return reject('Id is undefined');
 				if (data.id.length !== 36) return reject('Id invalid');
@@ -118,7 +119,7 @@ const MySqlService = {
 					data.hash
 				]
 				try {
-					resolve(handler.execute(_sql, _values) as unknown)
+					resolve(handler.execute(_sql, _values) as unknown as IDbStatusResult)
 				} catch (err: unknown) {
 					reject(err as Error);
 				}