fix 获取我的厂区处理

Src/Dlhis.Sys/Identity/Services/Implements/TenantService.cs

@@ -84,10 +84,21 @@ public class TenantService : ITenantService
              })
              .ToListAsync();
 
-        var currentTenant = myTenants.First(x => x.Code == tenantId);
+        if (!myTenants.Any())
+        {
+            myTenants = await GetListAsync();
+            myTenants = myTenants.Where(x => x.PCode.IsPresent()).ToList();
+        }
+
+        var currentTenant = myTenants.FirstOrDefault(x => x.Code == tenantId);
         var otherTenants = myTenants.Where(x => x.Code != tenantId);
 
-        var result = new List<TenantResponse> { currentTenant };
+        var result = new List<TenantResponse>();
+        if (currentTenant != null)
+        {
+            result.Add(currentTenant);
+        }
+
         result.AddRange(otherTenants);
         return result;
     }