diff --git a/Projects/VPKI/VPKI/VPKI.Web.Api/Services/ISO15118_02Service.cs b/Projects/VPKI/VPKI/VPKI.Web.Api/Services/ISO15118_02Service.cs
index f16f7cf..7b2a14f 100644
--- a/Projects/VPKI/VPKI/VPKI.Web.Api/Services/ISO15118_02Service.cs
+++ b/Projects/VPKI/VPKI/VPKI.Web.Api/Services/ISO15118_02Service.cs
@@ -218,7 +218,7 @@ namespace VPKI.Web.Api.Services
                         //db처리
                         using (var transaction = await context.CreateTransactionAsync())
                         {
-                            if (await context.TCertificates.AsNoTracking().FirstOrDefaultAsync(x => x.CCuid == tbscsr.CCuid) != null)
+                            if (await context.TCertificates.AsNoTracking().FirstOrDefaultAsync(x => x.CCuid == tbscsr.CCuid) == null)
                             {
                                 var certificate = new TCertificate
                                 {
@@ -245,7 +245,7 @@ namespace VPKI.Web.Api.Services
                         var ocsp = await Ocsp(tbscsr.CCuid);
                         using (var transaction = await context.CreateTransactionAsync())
                         {
-                            if (await context.TOcsps.AsNoTracking().FirstOrDefaultAsync(x => x.CCuid == tbscsr.CCuid) != null)
+                            if (await context.TOcsps.AsNoTracking().FirstOrDefaultAsync(x => x.CCuid == tbscsr.CCuid) == null)
                             {
                                 var certificate = new TOcsp
                                 {
diff --git a/Projects/VPKI/VPKI/VPKI.Web.Api/Services/ISO15118_20Service.cs b/Projects/VPKI/VPKI/VPKI.Web.Api/Services/ISO15118_20Service.cs
index e3e8333..fb780b1 100644
--- a/Projects/VPKI/VPKI/VPKI.Web.Api/Services/ISO15118_20Service.cs
+++ b/Projects/VPKI/VPKI/VPKI.Web.Api/Services/ISO15118_20Service.cs
@@ -228,7 +228,7 @@ namespace VPKI.Web.Api.Services
 
                         using (var transaction = await context.CreateTransactionAsync())
                         {
-                            if (await context.TCertificates.AsNoTracking().FirstOrDefaultAsync(x => x.CCuid == tbscsr.CCuid) != null)
+                            if (await context.TCertificates.AsNoTracking().FirstOrDefaultAsync(x => x.CCuid == tbscsr.CCuid) == null)
                             {
                                 var certificate = new TCertificate
                                 {
diff --git a/Projects/VPKI/VPKI/VPKI.Web.Client/Components/Module/VPKIApiCertificate.razor b/Projects/VPKI/VPKI/VPKI.Web.Client/Components/Module/VPKIApiCertificate.razor
index cf3e266..633f4b9 100644
--- a/Projects/VPKI/VPKI/VPKI.Web.Client/Components/Module/VPKIApiCertificate.razor
+++ b/Projects/VPKI/VPKI/VPKI.Web.Client/Components/Module/VPKIApiCertificate.razor
@@ -112,7 +112,7 @@
         CreateCsrHash(ecdsa);
     }
 
-    private void OnClickSignedHash()
+    public void OnClickSignedHash()
     {
         SignedHash();
     }
@@ -160,7 +160,7 @@
         }        
     }
 
-    private void OnClickGenerateCertificate()
+    public void OnClickGenerateCertificate()
     {
         CertificateContainer.RequestCertificate.csrsignature = CertificateContainer.CsrHashed.EncodedSignedCsr;
         if (TbscsrContainer.VpkiType == VpkiType.prov_cert || TbscsrContainer.VpkiType == VpkiType.vehicle_cert)
@@ -171,7 +171,7 @@
         CertificateContainer.StrRequest = $"{CertificateContainer.RequestCertificate.ToJson()}";
     }
 
-    private async Task OnClickSendCertificate()
+    public async Task OnClickSendCertificate()
     {
         DialogService.OpenIndicator();
 
diff --git a/Projects/VPKI/VPKI/VPKI.Web.Client/Components/Module/VPKIApiTbscsr.razor b/Projects/VPKI/VPKI/VPKI.Web.Client/Components/Module/VPKIApiTbscsr.razor
index 5f7ac8a..0eacbca 100644
--- a/Projects/VPKI/VPKI/VPKI.Web.Client/Components/Module/VPKIApiTbscsr.razor
+++ b/Projects/VPKI/VPKI/VPKI.Web.Client/Components/Module/VPKIApiTbscsr.razor
@@ -111,7 +111,7 @@
     }
 
     //mac address
-    private void OnClickRandomMacaddresss()
+    public void OnClickRandomMacaddresss()
     {
         var randomMac = CreateRandomMacAddress();
         TbscsrContainer.RequestTbscsr.cnInfo.macaddr = randomMac;
@@ -126,7 +126,7 @@
     }
 
     //generate key
-    private void OnClickGenerateKey()
+    public void OnClickGenerateKey()
     {
         GenerateKey();
     }
@@ -169,13 +169,13 @@
     }
 
     //request tbscsr
-    private void OnClickGenerateTbscsr()
+    public void OnClickGenerateTbscsr()
     {
         TbscsrContainer.RequestTbscsr.publickey = TbscsrContainer.PublicKey;
         TbscsrContainer.StrRequest = $"{TbscsrContainer.RequestTbscsr.ToJson()}";
     }
 
-    private async Task OnClickSendTbscsr()
+    public async Task OnClickSendTbscsr()
     {
         DialogService.OpenIndicator();
 
diff --git a/Projects/VPKI/VPKI/VPKI.Web.Client/Components/Pages/VPKIApi.razor b/Projects/VPKI/VPKI/VPKI.Web.Client/Components/Pages/VPKIApi.razor
index fc44eeb..297c8b6 100644
--- a/Projects/VPKI/VPKI/VPKI.Web.Client/Components/Pages/VPKIApi.razor
+++ b/Projects/VPKI/VPKI/VPKI.Web.Client/Components/Pages/VPKIApi.razor
@@ -14,6 +14,9 @@
             <div style="margin-bottom: 10px;">
                 <RadzenLabel Style="width: 130px;" Text="Server Address"></RadzenLabel>
                 <RadzenTextBox Style="margin-right: 10px;" @bind-Value="@ServerAddress"></RadzenTextBox>
+
+                <RadzenLabel Style="width: 130px;" Text="Auto Test"></RadzenLabel>
+                <RadzenCheckBox Style="margin-right: 10px;" @bind-Value="@isAutoRun"></RadzenCheckBox>
             </div>
         </RadzenFieldset>
 
@@ -28,12 +31,12 @@
                         <RadzenTabsItem Text="@vpkiType.ToString()">
                             <div @key=@vpkiType>
                                 <!--CSR-->
-                                <VPKIApiTbscsr @bind-TbscsrContainer=@outTbscsr ServerAddress="@ServerAddress" 
-                                    TbscsrCallback="@TbscsrCallback"/>
+                                <VPKIApiTbscsr @ref="@refVPKIApiTbscsr" @bind-TbscsrContainer=@outTbscsr ServerAddress="@ServerAddress"
+                                               TbscsrCallback="@TbscsrCallback"/>
                                 <br />
 
                                 <!--certificate-->
-                                <VPKIApiCertificate  @bind-CertificateContainer=@outCertificate ServerAddress="@ServerAddress" TbscsrContainer="@outTbscsr" />
+                                <VPKIApiCertificate @ref="@refVPKIApiCertificate" @bind-CertificateContainer=@outCertificate ServerAddress="@ServerAddress" TbscsrContainer="@outTbscsr" />
                                 <br />
 
                                 <!--certificate-->
@@ -50,16 +53,54 @@
         <RadzenLabel Text="Not Authorized"></RadzenLabel>
     </NotAuthorized>
 </AuthorizeView>
-@code {       
-    private string ServerAddress = "127.0.0.1:8080";       
+@code {
+    private string ServerAddress = "127.0.0.1:8080";
+    private bool isAutoRun = false;
 
     Dictionary<VpkiType, TbscsrContainer> DicTbscsrContainer = new Dictionary<VpkiType, TbscsrContainer>();
     Dictionary<VpkiType, CertificateContainer> DicCertificateContainer = new Dictionary<VpkiType, CertificateContainer>();
     Dictionary<VpkiType, VerifyResultContainer> DicVerifyResultContainer = new Dictionary<VpkiType, VerifyResultContainer>();
 
+    VPKIApiTbscsr? refVPKIApiTbscsr;
+    VPKIApiCertificate? refVPKIApiCertificate;
+
     protected override void OnInitialized()
     {
+        int cnt = 0;
         SetDefaultValue();
+        Task.Run(async() => {
+            await Task.Delay(3000);
+            while (true)
+            {
+                //tbscsr
+                await Task.Delay(3000);
+
+                if (isAutoRun == false)
+                    continue;
+
+                await InvokeAsync(() => refVPKIApiTbscsr.OnClickRandomMacaddresss());
+                await Task.Delay(100);
+                await InvokeAsync(() => refVPKIApiTbscsr.OnClickGenerateKey());
+                await Task.Delay(100);
+                await InvokeAsync(() => refVPKIApiTbscsr.OnClickGenerateTbscsr());
+                await Task.Delay(100);
+                await InvokeAsync(async () => await refVPKIApiTbscsr.OnClickSendTbscsr());
+                await Task.Delay(100);
+
+                //certificate
+                await InvokeAsync(() => refVPKIApiCertificate.OnClickSignedHash());
+                await Task.Delay(100);
+                await InvokeAsync(() => refVPKIApiCertificate.OnClickGenerateCertificate());
+                await Task.Delay(100);
+                await InvokeAsync(async () => await refVPKIApiCertificate.OnClickSendCertificate());
+
+                cnt += 1;
+                if (cnt >= 10000)
+                {                   
+                    break;
+                }
+            }            
+        });
     }    
     
     private void SetDefaultValue()
diff --git a/Projects/VPKI/VPKI/VPKI.Web.Client/Components/Pages/VPKIManager.razor b/Projects/VPKI/VPKI/VPKI.Web.Client/Components/Pages/VPKIManager.razor
index a04ba79..af488ca 100644
--- a/Projects/VPKI/VPKI/VPKI.Web.Client/Components/Pages/VPKIManager.razor
+++ b/Projects/VPKI/VPKI/VPKI.Web.Client/Components/Pages/VPKIManager.razor
@@ -199,25 +199,25 @@
         //Default filter
         requestUrl += $"startDate={SearchStartDate}&";
         requestUrl += $"endDate={SearchEndDate}&";
-        requestUrl += $"startCcuid={startCcuid}&";
+       // requestUrl += $"startCcuid={startCcuid}&";
 
         //optional filter
-        if (string.IsNullOrEmpty(FilterIft) == false)
-        {
-            requestUrl += $"ift={FilterIft}&";
-        }
-        if (string.IsNullOrEmpty(FilterWMI) == false)
-        {
-            requestUrl += $"wmi={FilterWMI}&";
-        }
-        if (string.IsNullOrEmpty(FilterDC) == false)
-        {
-            requestUrl += $"dc={FilterDC}&";
-        }
-        if (string.IsNullOrEmpty(FilterCertType) == false)
-        {
-            requestUrl += $"certType={FilterCertType}&";
-        }      
+        // if (string.IsNullOrEmpty(FilterIft) == false)
+        // {
+        //     requestUrl += $"ift={FilterIft}&";
+        // }
+        // if (string.IsNullOrEmpty(FilterWMI) == false)
+        // {
+        //     requestUrl += $"wmi={FilterWMI}&";
+        // }
+        // if (string.IsNullOrEmpty(FilterDC) == false)
+        // {
+        //     requestUrl += $"dc={FilterDC}&";
+        // }
+        // if (string.IsNullOrEmpty(FilterCertType) == false)
+        // {
+        //     requestUrl += $"certType={FilterCertType}&";
+        // }      
 
         history?.Clear();
         var result = await ApiService.GetJsonAsync<List<CertificateHistoryModel>>(requestUrl);