diff --git a/rag/app/table.py b/rag/app/table.py
index 90b4c2849..34e0254de 100644
--- a/rag/app/table.py
+++ b/rag/app/table.py
@@ -96,12 +96,12 @@ def column_data_type(arr):
     for a in arr:
         if a is None:
             continue
-        if re.match(r"[+-]?[0-9]+$", str(a).replace("%%", "")):
+        if re.match(r"[+-]?[0-9]+$", str(a).replace("%%", "")) and not str(a).replace("%%", "").startswith("0"):
             counts["int"] += 1
             if int(str(a)) > 2**63 - 1:
                 float_flag = True
                 break
-        elif re.match(r"[+-]?[0-9.]{,19}$", str(a).replace("%%", "")):
+        elif re.match(r"[+-]?[0-9.]{,19}$", str(a).replace("%%", "")) and not str(a).replace("%%", "").startswith("0"):
             counts["float"] += 1
         elif re.match(r"(true|yes|是|\*|✓|✔|☑|✅|√|false|no|否|⍻|×)$", str(a), flags=re.IGNORECASE):
             counts["bool"] += 1