diff --git a/src/BootstrapBlazor/BootstrapBlazor.csproj b/src/BootstrapBlazor/BootstrapBlazor.csproj
index 96fb981e6c7bdcb9eec8dcfed3baef51123a03e5..c3f0d24d488f58db42059ca024e1021fc2b1b846 100644
--- a/src/BootstrapBlazor/BootstrapBlazor.csproj
+++ b/src/BootstrapBlazor/BootstrapBlazor.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Razor">
 
   <PropertyGroup>
-    <Version>6.11.29</Version>
+    <Version>6.11.30-beta02</Version>
   </PropertyGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net5.0'">
diff --git a/src/BootstrapBlazor/Localization/Json/JsonStringLocalizer.cs b/src/BootstrapBlazor/Localization/Json/JsonStringLocalizer.cs
index b295839ed6cbaeb79815ab375628b3a19ad964be..55cf509eae33494a5c97ffc8b2eff737a2b29110 100644
--- a/src/BootstrapBlazor/Localization/Json/JsonStringLocalizer.cs
+++ b/src/BootstrapBlazor/Localization/Json/JsonStringLocalizer.cs
@@ -73,9 +73,23 @@ internal class JsonStringLocalizer : ResourceManagerStringLocalizer
     {
         get
         {
-            var format = GetStringSafely(name);
-            var value = string.Format(CultureInfo.CurrentCulture, format ?? name, arguments);
-            return new LocalizedString(name, value, resourceNotFound: format == null, searchedLocation: TypeName);
+            var value = SafeFormat();
+            return new LocalizedString(name, value ?? name, resourceNotFound: value == null, searchedLocation: TypeName);
+
+            string? SafeFormat()
+            {
+                string? ret = null;
+                try
+                {
+                    var format = GetStringSafely(name);
+                    ret = string.Format(CultureInfo.CurrentCulture, format ?? name, arguments);
+                }
+                catch (Exception ex)
+                {
+                    Logger.LogError(ex, "{JsonStringLocalizerName} searched for '{Name}' in '{TypeName}' with culture '{CultureName}' throw exception.", nameof(JsonStringLocalizer), name, TypeName, CultureInfo.CurrentUICulture.Name);
+                }
+                return ret;
+            }
         }
     }
 
@@ -161,7 +175,7 @@ internal class JsonStringLocalizer : ResourceManagerStringLocalizer
     {
         if (!IgnoreLocalizerMissing)
         {
-            Logger.LogInformation($"{nameof(JsonStringLocalizer)} searched for '{name}' in '{TypeName}' with culture '{CultureInfo.CurrentUICulture.Name}' not found.");
+            Logger.LogInformation("{JsonStringLocalizerName} searched for '{Name}' in '{TypeName}' with culture '{CultureName}' not found.", nameof(JsonStringLocalizer), name, TypeName, CultureInfo.CurrentUICulture.Name);
         }
     }
 
diff --git a/test/UnitTest/Localization/JsonStringLocalizerTest.cs b/test/UnitTest/Localization/JsonStringLocalizerTest.cs
index d5526982f898efbe0a614a73227ab4736de1d0b5..5e3a1ba067399688d979d62054c0a2118a6ee00e 100644
--- a/test/UnitTest/Localization/JsonStringLocalizerTest.cs
+++ b/test/UnitTest/Localization/JsonStringLocalizerTest.cs
@@ -212,6 +212,22 @@ public class JsonStringLocalizerTest : BootstrapBlazorTestBase
         Assert.Equal("test-name", localizer["test-name"]);
     }
 
+    [Fact]
+    public void FormatException_Ok()
+    {
+        var sc = new ServiceCollection();
+        sc.AddConfiguration();
+        sc.AddSingleton<IStringLocalizerFactory, MockLocalizerFactory>();
+        sc.AddTransient<IStringLocalizer, MockStringLocalizer>();
+        sc.AddBootstrapBlazor();
+
+        var provider = sc.BuildServiceProvider();
+        var localizer = provider.GetRequiredService<IStringLocalizer<Dummy>>();
+        var v = localizer["Mock-FakeAddress", "Test"];
+        Assert.True(v.ResourceNotFound);
+        Assert.Equal("Mock-FakeAddress", v);
+    }
+
     [Fact]
     public void GetResourcePrefix_Ok()
     {
@@ -260,7 +276,8 @@ public class JsonStringLocalizerTest : BootstrapBlazorTestBase
         public IEnumerable<LocalizedString> GetAllStrings(bool includeParentCultures) => new List<LocalizedString>()
         {
             new LocalizedString("Mock-Name", "Mock-Test-Name"),
-            new LocalizedString("Mock-Address", "Mock-Test-Address-{0}")
+            new LocalizedString("Mock-Address", "Mock-Test-Address-{0}"),
+            new LocalizedString("Mock-FakeAddress", "Mock-Test-Address-{ 0}")
         };
     }