diff --git a/src/database_control.rs b/src/database_control.rs
index ebc4d54..03f875a 100644
--- a/src/database_control.rs
+++ b/src/database_control.rs
@@ -15,7 +15,7 @@ pub async fn exists_table(table_name: &String) -> bool {
     let mut conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     //retry connection until it will be done.
     while conn_result.is_err() {
-        sleep(Duration::from_millis(200)).await;
+        sleep(Duration::from_millis(333)).await;
         conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     }
     let mut conn = conn_result.unwrap();
@@ -46,7 +46,7 @@ pub async fn exists_record(table_name: &String, condition: &Option<String>) -> b
     let mut conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     //retry connection until it will be done.
     while conn_result.is_err() {
-        sleep(Duration::from_millis(200)).await;
+        sleep(Duration::from_millis(333)).await;
         conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     }
     let mut conn = conn_result.unwrap();
@@ -55,7 +55,7 @@ pub async fn exists_record(table_name: &String, condition: &Option<String>) -> b
         .await;
 
     while exists_record.is_err() {
-        sleep(Duration::from_millis(200)).await;
+        sleep(Duration::from_millis(333)).await;
         exists_record = sqlx::query_as::<_, Success>(&query_base)
             .fetch_one(&mut conn)
             .await;
@@ -124,14 +124,14 @@ pub async fn new_table(
     let mut conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     //retry connection until it will be done.
     while conn_result.is_err() {
-        sleep(Duration::from_millis(200)).await;
+        sleep(Duration::from_millis(333)).await;
         conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     }
     let mut conn = conn_result.unwrap();
 
     let mut query_result = sqlx::query(&query).execute(&mut conn).await;
     while let Err(e) = query_result {
-        sleep(Duration::from_millis(200)).await;
+        sleep(Duration::from_millis(333)).await;
         query_result = sqlx::query(&query).execute(&mut conn).await;
     }
     Ok(())
@@ -146,7 +146,7 @@ pub async fn drop_table(table_name: &String) -> Result<MySqlQueryResult, Error>
     let mut conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     //retry connection until it will be done.
     while conn_result.is_err() {
-        sleep(Duration::from_millis(200)).await;
+        sleep(Duration::from_millis(333)).await;
         conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     }
     let mut conn = conn_result.unwrap();
@@ -171,7 +171,7 @@ pub async fn copy_table_data(
     let mut conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     //retry connection until it will be done.
     while conn_result.is_err() {
-        sleep(Duration::from_millis(200)).await;
+        sleep(Duration::from_millis(333)).await;
         conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     }
     let mut conn = conn_result.unwrap();
@@ -180,7 +180,7 @@ pub async fn copy_table_data(
 
     while let Err(e) = query_result {
         query_result = sqlx::query(&query).execute(&mut conn).await;
-        sleep(Duration::from_millis(200)).await;
+        sleep(Duration::from_millis(333)).await;
     }
     Ok(())
 }
@@ -224,7 +224,7 @@ pub async fn insert_one_record(
     let mut conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     //retry connection until it will be done.
     while conn_result.is_err() {
-        sleep(Duration::from_millis(200)).await;
+        sleep(Duration::from_millis(333)).await;
         conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     }
     let mut conn = conn_result.unwrap();
@@ -262,7 +262,7 @@ pub async fn copy_record(
     let mut conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     //retry connection until it will be done.
     while conn_result.is_err() {
-        sleep(Duration::from_millis(200)).await;
+        sleep(Duration::from_millis(333)).await;
         conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     }
     let mut conn = conn_result.unwrap();
@@ -316,7 +316,7 @@ pub async fn insert_records(
     let mut conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     //retry connection until it will be done.
     while conn_result.is_err() {
-        sleep(Duration::from_millis(200)).await;
+        sleep(Duration::from_millis(333)).await;
         conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     }
     let mut conn = conn_result.unwrap();
@@ -325,7 +325,7 @@ pub async fn insert_records(
 
     while let Err(e) = query_result {
         query_result = sqlx::query(&query).execute(&mut conn).await;
-        sleep(Duration::from_millis(200)).await;
+        sleep(Duration::from_millis(333)).await;
     }
     Ok(())
 }
@@ -373,7 +373,7 @@ pub async fn update_record(
     let mut conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     //retry connection until it will be done.
     while conn_result.is_err() {
-        sleep(Duration::from_millis(200)).await;
+        sleep(Duration::from_millis(333)).await;
         conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     }
     let mut conn = conn_result.unwrap();
@@ -426,7 +426,7 @@ pub async fn update_record2(
     let mut conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     //retry connection until it will be done.
     while conn_result.is_err() {
-        sleep(Duration::from_millis(200)).await;
+        sleep(Duration::from_millis(333)).await;
         conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     }
     let mut conn = conn_result.unwrap();
@@ -477,7 +477,7 @@ pub async fn update_record3(
     let mut conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     //retry connection until it will be done.
     while conn_result.is_err() {
-        sleep(Duration::from_millis(200)).await;
+        sleep(Duration::from_millis(333)).await;
         conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     }
     let mut conn = conn_result.unwrap();
@@ -571,7 +571,7 @@ pub async fn update_records(
     let mut conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     //retry connection until it will be done.
     while conn_result.is_err() {
-        sleep(Duration::from_millis(200)).await;
+        sleep(Duration::from_millis(333)).await;
         conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     }
     let mut conn = conn_result.unwrap();
@@ -597,7 +597,7 @@ pub async fn delete_record(
     let mut conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     //retry connection until it will be done.
     while conn_result.is_err() {
-        sleep(Duration::from_millis(200)).await;
+        sleep(Duration::from_millis(333)).await;
         conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     }
     let mut conn = conn_result.unwrap();
@@ -622,7 +622,7 @@ pub async fn count_rows(table_name: &String) -> Result<i32, Error> {
     let mut conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     //retry connection until it will be done.
     while conn_result.is_err() {
-        sleep(Duration::from_millis(200)).await;
+        sleep(Duration::from_millis(333)).await;
         conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     }
     let mut conn = conn_result.unwrap();
@@ -650,7 +650,7 @@ pub async fn delete_all_rows(
     let mut conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     //retry connection until it will be done.
     while conn_result.is_err() {
-        sleep(Duration::from_millis(200)).await;
+        sleep(Duration::from_millis(333)).await;
         conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     }
     let mut conn = conn_result.unwrap();
@@ -659,7 +659,7 @@ pub async fn delete_all_rows(
 
     while let Err(e) = query_result {
         query_result = sqlx::query(&query).execute(&mut conn).await;
-        sleep(Duration::from_millis(200)).await;
+        sleep(Duration::from_millis(333)).await;
     }
     Ok(())
 }
@@ -692,7 +692,7 @@ where
 
     //retry connection until it will be done.
     while conn_result.is_err() {
-        sleep(Duration::from_millis(200)).await;
+        sleep(Duration::from_millis(333)).await;
         conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     }
     let mut conn = conn_result.unwrap();
@@ -708,12 +708,12 @@ where
                     query_result_vec = T;
                     break;
                 } else {
-                    sleep(Duration::from_millis(50)).await;
+                    sleep(Duration::from_millis(333)).await;
                     query_result = sqlx::query_as::<_, T>(&query).fetch_all(&mut conn).await;
                 }
             }
             Err(e) => {
-                sleep(Duration::from_millis(50)).await;
+                sleep(Duration::from_millis(333)).await;
                 query_result = sqlx::query_as::<_, T>(&query).fetch_all(&mut conn).await;
             }
         }
@@ -748,7 +748,7 @@ where
     let mut conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     //retry connection until it will be done.
     while conn_result.is_err() {
-        sleep(Duration::from_millis(50)).await;
+        sleep(Duration::from_millis(333)).await;
         conn_result = sqlx::mysql::MySqlConnection::connect(DB_URL).await;
     }
     let mut conn = conn_result.unwrap();