[BI]CN站取得TMID IOT統計資料API修正

TEAMModelBI/Controllers/BITmid/TmidController.cs

@@ -201,7 +201,7 @@ namespace TEAMModelBI.Controllers.BITmid
                             if (!string.IsNullOrWhiteSpace(country) && country.Equals("TW"))
                                 tmidStics.city = (regionData.city.ContainsKey(country) && !string.IsNullOrWhiteSpace(city) && regionData.city[country]["tw"].ContainsKey(city)) ? regionData.city[country]["tw"][city].name : city;
                             else if (!string.IsNullOrWhiteSpace(country) && country.Equals("CN"))
-                                tmidStics.city = (regionData.city.ContainsKey(country) && regionData.city[country].ContainsKey(province) && regionData.city[country][province].ContainsKey(city)) ? regionData.city[country][province][city].name : city;
+                                tmidStics.city = (regionData.city.ContainsKey(country) && !string.IsNullOrWhiteSpace(province) && !string.IsNullOrWhiteSpace(city) && regionData.city[country].ContainsKey(province) && regionData.city[country][province].ContainsKey(city)) ? regionData.city[country][province][city].name : city;
                             tmidStics.dist = (!string.IsNullOrWhiteSpace(district) && country.Equals("TW") && regionData.city[country]["tw"].ContainsKey(city) && regionData.dist[country]["tw"][city].ContainsKey(district)) ? regionData.dist[country]["tw"][city][district].name : district;
                             tmidStics.schoolCode = (doc.TryGetProperty("schoolCode", out JsonElement schCode)) ? schCode.GetString() : string.Empty;
                             tmidStics.schoolCodeW = (doc.TryGetProperty("schoolCodeW", out JsonElement schCodeW)) ? schCodeW.GetString() : string.Empty;