diff --git a/YD_AllHeartRates.Api/Services/Impl/DeviceService.cs b/YD_AllHeartRates.Api/Services/Impl/DeviceService.cs
index 93b2c3a..2440814 100644
--- a/YD_AllHeartRates.Api/Services/Impl/DeviceService.cs
+++ b/YD_AllHeartRates.Api/Services/Impl/DeviceService.cs
@@ -174,8 +174,8 @@ namespace YD_AllHeartRates.Api.Services.Impl
             await _sportsContext.AddAsync(entity);
             var res = await _sportsContext.SaveChangesAsync() > 0;
 
-            _caching.Remove($"{AppSettings.StudentListCacheKey}_{schoolCode}");
             _caching.Remove($"{AppSettings.DeviceListCacheKey}_{schoolCode}");
+            _caching.Remove($"{AppSettings.StudentListCacheKey}_{schoolCode}");
             return res;
         }
 
@@ -207,8 +207,8 @@ namespace YD_AllHeartRates.Api.Services.Impl
             _sportsContext.Update(device);
             var res = await _sportsContext.SaveChangesAsync() > 0;
 
-            _caching.Remove($"{AppSettings.StudentListCacheKey}_{schoolCode}");
             _caching.Remove($"{AppSettings.DeviceListCacheKey}_{schoolCode}");
+            _caching.Remove($"{AppSettings.StudentListCacheKey}_{schoolCode}");
             return res;
         }
 
@@ -227,8 +227,8 @@ namespace YD_AllHeartRates.Api.Services.Impl
             _sportsContext.Device.Remove(device);
             var res = await _sportsContext.SaveChangesAsync() > 0;
 
-            _caching.Remove($"{AppSettings.StudentListCacheKey}_{schoolCode}");
             _caching.Remove($"{AppSettings.DeviceListCacheKey}_{schoolCode}");
+            _caching.Remove($"{AppSettings.StudentListCacheKey}_{schoolCode}");
             return res;
         }
 
@@ -285,8 +285,8 @@ namespace YD_AllHeartRates.Api.Services.Impl
             await _sportsContext.AddRangeAsync(deviceList);
             var res = await _sportsContext.SaveChangesAsync() > 0;
 
-            _caching.Remove($"{AppSettings.StudentListCacheKey}_{schoolCode}");
             _caching.Remove($"{AppSettings.DeviceListCacheKey}_{schoolCode}");
+            _caching.Remove($"{AppSettings.StudentListCacheKey}_{schoolCode}");
             return res;
         }
     }