修改了测试的Token

IoTSharp.Edge.ModBus/appsettings.Development.json

@@ -7,7 +7,7 @@
     }
   },
   "BrokerUri": "mqtt://127.0.0.1:1883/",
-  "AccessToken": "c1a9d84ecddf4b2abfe1375f83b12c42",
+  "AccessToken": "d65261e993384fe9a4f57a6477b7345c",
   "ModBusList": [ "ModBusConfig" ]
 
 }
\ No newline at end of file

IoTSharp/Controllers/DevicesController.cs

@@ -82,7 +82,7 @@ namespace IoTSharp.Controllers
         [HttpGet("{deviceId}/AttributeLatest")]
         public async Task<ActionResult<List<AttributeLatest>>> GetAttributeLatest(Guid deviceId)
         {
-            var devid = from dev in _context.Device where dev.Id == deviceId select dev.AttributeLatest;
+            var devid = from dev in _context.Device.Include(d =>d.AttributeLatest) where dev.Id == deviceId select dev.AttributeLatest;
             if (!devid.Any())
             {
                 return NotFound(new ApiResult(ApiCode.NotFoundDeviceIdentity, $"Device's Identity not found "));
@@ -99,7 +99,7 @@ namespace IoTSharp.Controllers
         [HttpGet("{deviceId}/TelemetryLatest")]
         public async Task<ActionResult<List<TelemetryLatest>>> GetTelemetryLatest(Guid deviceId)
         {
-            var devid = from dev in _context.Device where dev.Id == deviceId select dev.TelemetryLatest;
+            var devid = from dev in _context.Device.Include(d=>d.TelemetryLatest) where dev.Id == deviceId select dev.TelemetryLatest;
             if (!devid.Any())
             {
                 return NotFound(new ApiResult(ApiCode.NotFoundDeviceIdentity, $"Device's Identity not found "));