diff --git a/stock/analysis/AnalyzerSqlite.py b/stock/analysis/AnalyzerSqlite.py
index 19a2bb5..e140ebe 100644
--- a/stock/analysis/AnalyzerSqlite.py
+++ b/stock/analysis/AnalyzerSqlite.py
@@ -1002,7 +1002,7 @@ if __name__ == "__main__":
     dayList = os.listdir(outPath)
     for dayDir in dayList:
         if dayDir[0] != '.' and dayDir < before_7_day.strftime("%Y%m%d"):
-            if os.path.exists(os.path.join(outPath, dayDir)):
+            if os.path.exists(os.path.join(outPath, dayDir)) and os.path.isdir(os.path.join(outPath, dayDir)):
                 shutil.rmtree(os.path.join(outPath, dayDir))
 
     outPath = os.path.join(outPath, day)