diff --git a/src/coex/exchange_team.rs b/src/coex/exchange_team.rs
index dc84886..74bb9e1 100644
--- a/src/coex/exchange_team.rs
+++ b/src/coex/exchange_team.rs
@@ -939,7 +939,7 @@ pub async fn update_profit_percent() {
             .to_f64()
             .unwrap()
                 * 100.0;
-            if profit_percent == f64::NAN {
+            if profit_percent.is_nan() {
                 profit_percent = 0.0;
             }
         }
diff --git a/src/coex/strategy_team.rs b/src/coex/strategy_team.rs
index 0279d09..cc6d7d9 100644
--- a/src/coex/strategy_team.rs
+++ b/src/coex/strategy_team.rs
@@ -5308,7 +5308,7 @@ pub async fn strategist_014(
     if signal_opinions[0].opinion.contains("UP")
         && market_cap_index[1].market_cap_index.is_sign_negative()
     {
-        filtered_2nd_symbols = filtered_2nd_symbols;
+        filtered_3rd_symbols = filtered_2nd_symbols;
     } else {
         for symbol in filtered_2nd_symbols {
             let rsi3_1d_option = alldata.rsi3_1d_data.iter().position(|x| *x.0 == *symbol);
diff --git a/src/value_estimation_team/indicators/bollingerband.rs b/src/value_estimation_team/indicators/bollingerband.rs
index e91814a..edd98d8 100644
--- a/src/value_estimation_team/indicators/bollingerband.rs
+++ b/src/value_estimation_team/indicators/bollingerband.rs
@@ -83,7 +83,7 @@ pub async fn bollingerband(
                             );
                             match result {
                                 Ok(T) => {
-                                    if T >= 0 && T <= ma_number - 1 {
+                                    if T <= ma_number - 1 {
                                         let mut read_data_iter =
                                             read_sma_data_vec[sma_index].1.iter();
                                         for _ in T..ma_number - 1 {