diff --git a/server/Cargo.lock b/server/Cargo.lock
index 9458c2e6..2133ab3b 100644
--- a/server/Cargo.lock
+++ b/server/Cargo.lock
@@ -993,6 +993,7 @@ dependencies = [
  "sea-orm",
  "strum",
  "thiserror",
+ "uuid 1.4.1",
 ]
 
 [[package]]
diff --git a/server/Cargo.toml b/server/Cargo.toml
index 4c850680..2e25ed2f 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -36,7 +36,7 @@ serde_json = "1.0.107"
 itertools = "0.11.0"
 chrono = { version = "0.4.30" }
 futures = "0.3.28"
-uuid = "1.4.1"
+uuid = { version = "1.4.1", features = ["v4"] }
 deriving_via = "1.5.0"
 reqwest = { version = "0.11.20", default-features = false, features = ["rustls"] }
 num-traits = "0.2.16"
diff --git a/server/entrypoint/src/main.rs b/server/entrypoint/src/main.rs
index 8ef85688..730dde24 100644
--- a/server/entrypoint/src/main.rs
+++ b/server/entrypoint/src/main.rs
@@ -8,12 +8,11 @@ use axum::{
 };
 use common::config::{ENV, HTTP};
 use hyper::header::AUTHORIZATION;
-use presentation::form_handler::get_all_answers;
 use presentation::{
     auth::auth,
     form_handler::{
         create_form_handler, create_question_handler, delete_form_handler, form_list_handler,
-        get_form_handler, post_answer_handler, update_form_handler,
+        get_all_answers, get_form_handler, post_answer_handler, update_form_handler,
     },
     health_check_handler::health_check,
 };
diff --git a/server/errors/Cargo.toml b/server/errors/Cargo.toml
index 4e3b9097..b0ba8a25 100644
--- a/server/errors/Cargo.toml
+++ b/server/errors/Cargo.toml
@@ -9,3 +9,4 @@ edition = "2021"
 sea-orm = { workspace = true }
 strum = { workspace = true }
 thiserror = "1.0.48"
+uuid = { workspace = true }
diff --git a/server/errors/src/infra.rs b/server/errors/src/infra.rs
index d6f5625d..a6219e4b 100644
--- a/server/errors/src/infra.rs
+++ b/server/errors/src/infra.rs
@@ -7,8 +7,11 @@ pub enum InfraError {
         #[from]
         source: sea_orm::error::DbErr,
     },
-    #[error("Uuid Parse Error: {}", .cause)]
-    UuidParse { cause: String },
+    #[error("Uuid Parse Error: {}", .source)]
+    UuidParse {
+        #[from]
+        source: uuid::Error,
+    },
     #[error("Form Not Found: id = {}", .id)]
     FormNotFound { id: i32 },
     #[error("Outgoing Error: {}", .cause)]
diff --git a/server/infra/resource/Cargo.toml b/server/infra/resource/Cargo.toml
index d2e51aa9..547366fb 100644
--- a/server/infra/resource/Cargo.toml
+++ b/server/infra/resource/Cargo.toml
@@ -22,4 +22,4 @@ serde = { workspace = true }
 tracing = { workspace = true }
 num-traits = { workspace = true }
 regex = { workspace = true }
-uuid = { version = "1.4.1", features = ["v4"] }
+uuid = { workspace = true }
diff --git a/server/infra/resource/src/database/form.rs b/server/infra/resource/src/database/form.rs
index a6a57db3..6c840480 100644
--- a/server/infra/resource/src/database/form.rs
+++ b/server/infra/resource/src/database/form.rs
@@ -1,14 +1,14 @@
 use async_trait::async_trait;
 use chrono::Utc;
 use domain::form::models::{
-    Answer, DefaultAnswerTitle, FormDescription, FormId, FormQuestionUpdateSchema, FormTitle,
+    DefaultAnswerTitle, FormDescription, FormId, FormQuestionUpdateSchema, FormTitle,
     FormUpdateTargets, OffsetAndLimit, PostedAnswers,
 };
-use entities::prelude::Answers;
 use entities::{
     answers, default_answer_titles, form_choices, form_meta_data, form_questions, form_webhooks,
     prelude::{
-        DefaultAnswerTitles, FormChoices, FormMetaData, FormQuestions, FormWebhooks, RealAnswers,
+        Answers, DefaultAnswerTitles, FormChoices, FormMetaData, FormQuestions, FormWebhooks,
+        RealAnswers,
     },
     real_answers, response_period,
     sea_orm_active_enums::QuestionType,
@@ -18,19 +18,17 @@ use futures::{stream, stream::StreamExt};
 use itertools::Itertools;
 use num_traits::cast::FromPrimitive;
 use regex::Regex;
-use sea_orm::prelude::Uuid;
 use sea_orm::{
+    prelude::Uuid,
     sea_query::{Expr, SimpleExpr},
     ActiveEnum, ActiveModelTrait, ActiveValue,
     ActiveValue::Set,
     ColumnTrait, EntityTrait, ModelTrait, QueryFilter, QueryOrder, QuerySelect,
 };
-use std::fmt::Error;
 
-use crate::dto::{AnswerDto, PostedAnswersDto};
 use crate::{
     database::{components::FormDatabase, connection::ConnectionPool},
-    dto::{FormDto, QuestionDto},
+    dto::{AnswerDto, FormDto, PostedAnswersDto, QuestionDto},
 };
 
 #[async_trait]
@@ -442,7 +440,7 @@ impl FormDatabase for ConnectionPool {
                 .all(&self.pool)
                 .await?,
         )
-        .then(|answer| async {
+        .then(|answer| async move {
             let answers = RealAnswers::find()
                 .filter(Expr::col(real_answers::Column::AnswerId).eq(answer.id))
                 .all(&self.pool)
@@ -455,12 +453,7 @@ impl FormDatabase for ConnectionPool {
                 .collect_vec();
 
             Ok(PostedAnswersDto {
-                uuid: answer
-                    .user
-                    .chunks_exact(16)
-                    .map(Uuid::from_slice)
-                    .collect::<Result<_, _>>()
-                    .unwrap(),
+                uuid: Uuid::from_slice(answer.user.as_slice())?,
                 timestamp: answer.time_stamp,
                 form_id: 1, // TODO: answersテーブルにはform_idが存在しないので、追加して取得できるようにしたい
                 title: Some(answer.title),
diff --git a/server/infra/resource/src/dto.rs b/server/infra/resource/src/dto.rs
index ca942ba6..3c89ffcd 100644
--- a/server/infra/resource/src/dto.rs
+++ b/server/infra/resource/src/dto.rs
@@ -1,6 +1,5 @@
 use chrono::{DateTime, Utc};
 use domain::form::models::{FormSettings, ResponsePeriod};
-use itertools::Itertools;
 use uuid::Uuid;
 
 pub struct QuestionDto {
diff --git a/server/presentation/src/form_handler.rs b/server/presentation/src/form_handler.rs
index 55e18b45..f058db93 100644
--- a/server/presentation/src/form_handler.rs
+++ b/server/presentation/src/form_handler.rs
@@ -13,7 +13,6 @@ use domain::{
 use errors::{infra::InfraError, Error};
 use resource::repository::RealInfrastructureRepository;
 use serde_json::json;
-use std::os::unix::raw::mode_t;
 use usecase::form::FormUseCase;
 
 pub async fn create_form_handler(