diff --git a/framework/src/Volo.Abp.Json/Volo/Abp/Json/SystemTextJson/AbpSystemTextJsonSerializerOptionsSetup.cs b/framework/src/Volo.Abp.Json/Volo/Abp/Json/SystemTextJson/AbpSystemTextJsonSerializerOptionsSetup.cs
index 9fd156439b..4de6e96bcc 100644
--- a/framework/src/Volo.Abp.Json/Volo/Abp/Json/SystemTextJson/AbpSystemTextJsonSerializerOptionsSetup.cs
+++ b/framework/src/Volo.Abp.Json/Volo/Abp/Json/SystemTextJson/AbpSystemTextJsonSerializerOptionsSetup.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Text.Encodings.Web;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
 using Volo.Abp.Json.SystemTextJson.JsonConverters;
@@ -24,6 +25,9 @@ namespace Volo.Abp.Json.SystemTextJson
 
             options.JsonSerializerOptions.Converters.Add(new ObjectToInferredTypesConverter());
             options.JsonSerializerOptions.Converters.Add(new AbpHasExtraPropertiesJsonConverterFactory());
+
+            // If the user hasn't explicitly configured the encoder, use the less strict encoder that does not encode all non-ASCII characters.
+            options.JsonSerializerOptions.Encoder ??= JavaScriptEncoder.UnsafeRelaxedJsonEscaping;
         }
     }
 }