diff --git a/YD_AllHeartRates.Api/Services/Impl/DataPushService.cs b/YD_AllHeartRates.Api/Services/Impl/DataPushService.cs
index 42c64e6..3cf6430 100644
--- a/YD_AllHeartRates.Api/Services/Impl/DataPushService.cs
+++ b/YD_AllHeartRates.Api/Services/Impl/DataPushService.cs
@@ -248,7 +248,7 @@ namespace YD_AllHeartRates.Api.Services.Impl
             string bodyEncrypted;
             try
             {
-                bodyEncrypted = DataEncryptHelper.EncryptSm2(jsonPlain, AppSettings.DataPush.PublicKey);
+                bodyEncrypted = DataEncryptHelper.EncryptSm2Zip(jsonPlain, AppSettings.DataPush.PublicKey);
                 Console.WriteLine($"[GetStudentEduId] Encrypted BODY (Hex): {bodyEncrypted}");
             }
             catch (Exception ex)