diff --git a/hts/HTS.py b/hts/HTS.py
index 56521d0..1f094e6 100644
--- a/hts/HTS.py
+++ b/hts/HTS.py
@@ -292,7 +292,7 @@ class HTS:
             day = objStockChart.GetDataValue(0, i)
             if day < int_given_day:
                 continue
-            time = datetime.strptime(day+" "+str(objStockChart.GetDataValue(1, i)), '%Y%m%d %H%M%S')
+            time = datetime.strptime(str(day)+" "+str(objStockChart.GetDataValue(1, i)), '%Y%m%d %H%M%S')
             if time < start_time:
                 continue
 
@@ -305,16 +305,21 @@ class HTS:
             if len(result["check"]) == 0:
                 result["check"].add(start_time)
                 result["time"].append(start_time)
+                result["open"].append(open)
+                result["close"].append(open)
+                result["high"].append(open)
+                result["low"].append(open)
+                result["vol"].append(0)
 
             if time not in result["check"]:
                 result["check"].add(time)
                 result["time"].append(time)
 
-            result["open"].append(open)
-            result["close"].append(close)
-            result["high"].append(high)
-            result["low"].append(low)
-            result["vol"].append(vol)
+                result["open"].append(open)
+                result["close"].append(close)
+                result["high"].append(high)
+                result["low"].append(low)
+                result["vol"].append(vol)
 
         return