diff --git a/stock/analysis/AnalyzerSqlite.py b/stock/analysis/AnalyzerSqlite.py
index c0f88b6..0b44a83 100644
--- a/stock/analysis/AnalyzerSqlite.py
+++ b/stock/analysis/AnalyzerSqlite.py
@@ -808,7 +808,7 @@ class AnalyzerSqlite:
                      price['avg3'], price['avg4'], price['avg5'], price['avg6'], price['avg10'], price['avg12'], price['avg20'], price['avg36'], price['avg40'], price['avg48'], price['avg60'], price['avg120'], price['avg200'], price['avg240'], price['avg300'], price['avg360'], price['avg480'], price['avg720'], price['avg1440'],
                      price['disparity_avg5'], price['disparity_avg10'], price['disparity_avg20'], price['disparity_avg60'], price['disparity_avg120'], price['disparity_avg240'], price['disparity_avg480'],
                      price['bolingerband_upper'], price['bolingerband_lower'], price['bolingerband_middle'], price['bolingerband_width'], price['bolingerband_pb'],
-                     price['envelope_upper'], price['envelope_lower'], price['envelope_middle'],
+                       price['envelope_upper'], price['envelope_lower'], price['envelope_middle'],
                      price['ichimokucloud_changeLine'], price['ichimokucloud_baseLine'], price['ichimokucloud_laggingSpan'], price['ichimokucloud_leadingSpan1'], price['ichimokucloud_leadingSpan2'],
                      price['stochastic_fast_k'], price['stochastic_slow_k'], price['stochastic_slow_d'],
                      price['rsi'], price['rsis'],
diff --git a/stock/analysis/Common.py b/stock/analysis/Common.py
index abe31a9..4611053 100644
--- a/stock/analysis/Common.py
+++ b/stock/analysis/Common.py
@@ -567,7 +567,7 @@ class Common:
 
     def check_optimal_buy_timeing(self, param, stock):
         check = False
-        if len(stock['trend']) < 1:
+        if len(stock['trend']) < 10:
             return check
 
         if (stock['close'][1] is None or stock['close'][0] is None or stock['rsi'][1] is None or stock['rsi'][0] is None):