diff --git a/src/strategy_team/future_strategy_long.rs b/src/strategy_team/future_strategy_long.rs
index 8339330..463291e 100644
--- a/src/strategy_team/future_strategy_long.rs
+++ b/src/strategy_team/future_strategy_long.rs
@@ -337,6 +337,8 @@ pub async fn list_up_for_sell(all_data: &AllData) -> Result<(), Box<dyn std::err
                 is_sell = true;
             } else if target_profit_percent.is_normal() && element.pure_profit_percent < target_profit_percent * -1.5 {
                 is_sell = true;
+            } else if server_epoch - element.registered_server_epoch > 1_800_000 * 6 {
+                is_sell = true;
             }
 
             if is_sell == true {
diff --git a/src/strategy_team/future_strategy_short.rs b/src/strategy_team/future_strategy_short.rs
index 6e79efd..e67fd33 100644
--- a/src/strategy_team/future_strategy_short.rs
+++ b/src/strategy_team/future_strategy_short.rs
@@ -335,6 +335,8 @@ pub async fn list_up_for_sell(all_data: &AllData) -> Result<(), Box<dyn std::err
                 is_sell = true;
             } else if target_profit_percent.is_normal() && element.pure_profit_percent < target_profit_percent * -1.5 {
                 is_sell = true;
+            } else if server_epoch - element.registered_server_epoch > 1_800_000 * 6 {
+                is_sell = true;
             }
             
             if is_sell == true {