排除caller为空

src/Hotline.Application/Jobs/XingTangCallsSyncJob.cs

@@ -53,8 +53,9 @@ namespace Hotline.Application.Jobs
         {
             var xingtangCalls = await _db.Queryable<XingtangCall>()
                 .Where(d => !string.IsNullOrEmpty(d.CallGuid) &&
-                                (d.IsSync == null || !d.IsSync) &&
-                                (d.Tries == null || d.Tries <= 50))
+                            !string.IsNullOrEmpty(d.Caller) &&
+                            (d.IsSync == null || !d.IsSync) &&
+                            (d.Tries == null || d.Tries <= 50))
                 .OrderBy(d => d.Id)
                 .Take(10)
                 .ToListAsync(context.CancellationToken);
@@ -106,6 +107,7 @@ namespace Hotline.Application.Jobs
                             }
                         }
                     }
+
                     if (call.GroupId == "0" && call.CallState != ECallState.IVRNoAccept)
                     {
                         call.CallState = ECallState.Invalid;