diff --git a/stockpredictor/analysis/Analyzer.py b/stockpredictor/analysis/Analyzer.py
index 9750881..e4a593b 100644
--- a/stockpredictor/analysis/Analyzer.py
+++ b/stockpredictor/analysis/Analyzer.py
@@ -429,14 +429,14 @@ class Analyzer:
                 fig = self.draw(stock)
                 title = "%s (%s), %s, buy_price (%d), stochastic(%.3f), rsi(%.3f), macd(%.3f), ichimoku(%d)) 차트" % (item_name, item_code, state, buy_price, stochastic_score, rsi_score, macd_score, ichimoku_score)
                 fig['layout'].update(title=title)
-                fileName = "%s/%s_%.3f_%.3f_%s.html" % (outPath, state, stochastic_score, rsi_score, item_name.replace(" ", ""))
+                fileName = "%s/%s__%.3f__%.3f__%s.html" % (outPath, state, stochastic_score, rsi_score, item_name.replace(" ", ""))
                 po.write_html(fig, file=fileName, auto_open=False)
             else:
                 if RSI[last_index]['rsi_buy'] == 1 and STOCK[last_index]['volume'] > 10000:
                     fig = self.draw(stock)
                     title = "%s (%s) buy_price (%d), stochastic(%.3f), rsi(%.3f), macd(%.3f), ichimoku(%d)) 차트"%(item_name, item_code, buy_price, stochastic_score, rsi_score, macd_score, ichimoku_score)
                     fig['layout'].update(title=title)
-                    fileName = "%s/%.3f_%.3f_%s.html"%(tmp_path, stochastic_score, rsi_score, item_name.replace(" ", ""))
+                    fileName = "%s/%.3f__%.3f__%s.html"%(tmp_path, stochastic_score, rsi_score, item_name.replace(" ", ""))
                     po.write_html(fig, file=fileName, auto_open=False)
 
             print ("#html", rowid, stock['NAME'])