BUG修复

unify_api/modules/common/procedures/location_temp_rcurrent.py

@@ -188,7 +188,10 @@ async def location_stats_statics_new15(table_name, cid, start, end):
         else:
             min_value, min_value_time = "", ""
         mean_value = df.loc[df["lid"] == lid].value_avg.mean()
-        mean_value = round(mean_value, 2) if mean_value else ""
+        if not pd.isna(mean_value):
+            mean_value = round(mean_value, 2) if mean_value else ""
+        else:
+            mean_value = ''
         location_map[lid].update({
             "max_value": max_value, "max_value_time": max_value_time,
             "min_value": min_value, "min_value_time": min_value_time,