diff --git a/IRaCIS.Core.Application/IRaCIS.Core.Application.xml b/IRaCIS.Core.Application/IRaCIS.Core.Application.xml
index 67f9d175b..f095a5505 100644
--- a/IRaCIS.Core.Application/IRaCIS.Core.Application.xml
+++ b/IRaCIS.Core.Application/IRaCIS.Core.Application.xml
@@ -20878,6 +20878,12 @@
             <returns></returns>
             <exception cref="T:IRaCIS.Core.Infrastructure.BusinessValidationFailedException"></exception>
         </member>
+        <member name="M:IRaCIS.Core.Application.TrialConfigService.ReplaceSubject">
+            <summary>
+            替换受试者
+            </summary>
+            <returns></returns>
+        </member>
         <member name="M:IRaCIS.Core.Application.TrialConfigService.TrialReadingInfoSignVerify(IRaCIS.Core.Application.Contracts.TrialReadingInfoSignInDto)">
             <summary>
             阅片信息签名验证接口
diff --git a/IRaCIS.Core.Application/Service/TrialSiteUser/TrialConfigService.cs b/IRaCIS.Core.Application/Service/TrialSiteUser/TrialConfigService.cs
index 570e7c6cf..942fb3639 100644
--- a/IRaCIS.Core.Application/Service/TrialSiteUser/TrialConfigService.cs
+++ b/IRaCIS.Core.Application/Service/TrialSiteUser/TrialConfigService.cs
@@ -54,6 +54,37 @@ namespace IRaCIS.Core.Application
     {
 
 
+        /// <summary>
+        /// 替换受试者
+        /// </summary>
+        /// <returns></returns>
+        public async Task ReplaceSubject()
+        {
+            // 查完整实体（不能只查匿名类，匿名类无实体追踪）
+            var trialList = await _trialRepository.AsQueryable().ToListAsync();
+
+            foreach (var trial in trialList)
+            {
+                if (trial.TrialObjectNameList == null || !trial.TrialObjectNameList.Any())
+                    continue;
+
+                foreach (var item in trial.TrialObjectNameList)
+                {
+                    item.TrialName = item.TrialName
+                        .Replace("受试者", "试验参与者")
+                        .Replace("Subject", "Participant");
+                    item.Name = item.Name
+                        .Replace("受试者", "试验参与者")
+                        .Replace("Subject", "Participant");
+                }
+            }
+
+            // EF自动把List序列化为JSON字符串更新到数据库
+            await _trialRepository.SaveChangesAsync();
+
+
+        }
+
         /// <summary>
         /// 阅片信息签名验证接口
         /// </summary>