diff --git a/IRaCIS.Core.Application/Service/Institution/CROService.cs b/IRaCIS.Core.Application/Service/Institution/CROService.cs
index 4c588c5fd..8f636e16f 100644
--- a/IRaCIS.Core.Application/Service/Institution/CROService.cs
+++ b/IRaCIS.Core.Application/Service/Institution/CROService.cs
@@ -46,7 +46,7 @@ namespace IRaCIS.Application.Services
             var exp = new EntityVerifyExp<CRO>()
             {
                 VerifyExp = cro => cro.CROName.Equals(addCroCompanyCommand.CROName) ,
-                VerifyMsg = "A CRO with the same name already existed in the table. Please confirm."
+                VerifyMsg = "已经存在同名的CRO，请确认。"
             };
 
             var cro = await _croRepository.InsertOrUpdateAsync(addCroCompanyCommand, true, exp);
@@ -64,7 +64,7 @@ namespace IRaCIS.Application.Services
         {
             if (await _trialRepository.AnyAsync(t => t.CROId == cROCompanyId))
             {
-                return ResponseOutput.NotOk("This CRO has participated in the trial and couldn't be deleted.");
+                return ResponseOutput.NotOk("该CRO已经参与项目，不能被删除。");
             }
             //if (_userRepository.Find().Any(t => t.OrganizationId == cROCompanyId))
             //{
diff --git a/IRaCIS.Core.Application/Service/Institution/HospitalService.cs b/IRaCIS.Core.Application/Service/Institution/HospitalService.cs
index e200970e1..c05d5c156 100644
--- a/IRaCIS.Core.Application/Service/Institution/HospitalService.cs
+++ b/IRaCIS.Core.Application/Service/Institution/HospitalService.cs
@@ -30,7 +30,7 @@ namespace IRaCIS.Application.Services
             var exp = new EntityVerifyExp<Hospital>()
             {
                 VerifyExp = h => h.HospitalName.Equals(hospitalCommand.HospitalName),
-                VerifyMsg = "A hospital with the same name already existed in the table. Please confirm."
+                VerifyMsg = "已经存在同名的医院，请确认。"
             };
 
             var hospital = await _hospitalRepository.InsertOrUpdateAsync(hospitalCommand, true, exp);
@@ -47,7 +47,7 @@ namespace IRaCIS.Application.Services
         {
             if (await _doctorRepository.AnyAsync(t => t.Id == hospitalId))
             {
-                return ResponseOutput.NotOk("There are already doctors registered in this hospital,and it couldn't be deleted");
+                return ResponseOutput.NotOk("该医院下已经注册有医生，不可以删除。");
             }
             //if (_userRepository.Find().Any(t => t.OrganizationId == hospitalId))
             //{
diff --git a/IRaCIS.Core.Application/Service/Institution/SiteService.cs b/IRaCIS.Core.Application/Service/Institution/SiteService.cs
index 3d068996f..22470bc55 100644
--- a/IRaCIS.Core.Application/Service/Institution/SiteService.cs
+++ b/IRaCIS.Core.Application/Service/Institution/SiteService.cs
@@ -46,7 +46,7 @@ namespace IRaCIS.Application.Services
             var exp = new EntityVerifyExp<Site>()
             {
                 VerifyExp = h => h.SiteName.Equals(siteCommand.SiteName)|| h.SiteCode.Equals(siteCommand.SiteCode),
-                VerifyMsg = "A site with the same name or code  already existed in the table. Please confirm."
+                VerifyMsg = "已经存在同名的中心，请确认。"
             };
 
             var site = await _siteRepository.InsertOrUpdateAsync(siteCommand, true, exp);
@@ -66,7 +66,7 @@ namespace IRaCIS.Application.Services
             
             if (await _trialSiteUserRepository.AnyAsync(t => t.SiteId == siteId))
             {
-                return ResponseOutput.NotOk("This site has participated in the trial and couldn't be deleted.");
+                return ResponseOutput.NotOk("该中心已经加入项目，不可以被删除。");
             }
 
             var success = await _siteRepository.BatchDeleteNoTrackingAsync(x => x.Id == siteId);
diff --git a/IRaCIS.Core.Application/Service/Institution/SponsorService.cs b/IRaCIS.Core.Application/Service/Institution/SponsorService.cs
index 1c5e9ab44..0811c6675 100644
--- a/IRaCIS.Core.Application/Service/Institution/SponsorService.cs
+++ b/IRaCIS.Core.Application/Service/Institution/SponsorService.cs
@@ -49,7 +49,7 @@ namespace IRaCIS.Application.Services
             var exp = new EntityVerifyExp<Sponsor>()
             {
                 VerifyExp = h => h.SponsorName.Equals(sponsorCommand.SponsorName),
-                VerifyMsg = "A sponsor with the same name already existed in the table. Please confirm."
+                VerifyMsg = "已经存在同名的申办方，请确认。"
             };
 
             var sponsor = await _sponsorRepository.InsertOrUpdateAsync(sponsorCommand, true, exp);
@@ -67,7 +67,7 @@ namespace IRaCIS.Application.Services
         {
             if (await _trialRepository.AnyAsync(t => t.CROId == sponsorId))
             {
-                return ResponseOutput.NotOk("This sponsor has participated in the trial and couldn't be deleted.");
+                return ResponseOutput.NotOk("该申办方已经加入项目，不允许删除。");
             }
             //if (_userRepository.Find().Any(t => t.OrganizationId == sponsorId))
             //{