diff --git a/ArticutAPI/ArticutAPI.py b/ArticutAPI/ArticutAPI.py
index c5605e7..745ab44 100644
--- a/ArticutAPI/ArticutAPI.py
+++ b/ArticutAPI/ArticutAPI.py
@@ -129,7 +129,7 @@ def parse(self, inputSTR, level="", userDefinedDictFILE=None, chemicalBOOL=True,
                        "opendata_place":self.openDataPlaceAccessBOOL, #Bool Type：為 True 或 False，表示是否允許 Articut 讀取 OpenData 中的地點名稱。
                        "wikidata": self.wikiDataBOOL,                 #Bool Type：為 True 或 False，表示是否允許 Articut 讀取 WikiData 中的條目名稱。
                        "index_with_pos":False,
-                       "time_ref":"",
+                       "time_ref":str(timeRef),
                        "pinyin":pinyin
             }
 
diff --git a/ArticutAPI/MP_ArticutAPI.py b/ArticutAPI/MP_ArticutAPI.py
index 9d3cb3d..62d3d19 100644
--- a/ArticutAPI/MP_ArticutAPI.py
+++ b/ArticutAPI/MP_ArticutAPI.py
@@ -135,7 +135,7 @@ def _run(self, index, inputLIST, level="lv2", userDefinedDICT={}, chemicalBOOL=T
                    "opendata_place": openDataPlaceBOOL,
                    "wikidata": wikiDataBOOL,
                    "index_with_pos": indexWithPOS,
-                   "time_ref": timeRef,
+                   "time_ref": str(timeRef),
                    "pinyin": pinyin}
         #print(payload)
         response = requests.post("{}/Articut/BulkAPI/".format(self.url), json=payload)