diff --git a/test/Masa.Utils.Data.Prometheus.Test/Masa.Utils.Data.Prometheus.Test.csproj b/test/Masa.Utils.Data.Prometheus.Test/Masa.Utils.Data.Prometheus.Test.csproj
index 2b72548..61e38ea 100644
--- a/test/Masa.Utils.Data.Prometheus.Test/Masa.Utils.Data.Prometheus.Test.csproj
+++ b/test/Masa.Utils.Data.Prometheus.Test/Masa.Utils.Data.Prometheus.Test.csproj
@@ -12,6 +12,7 @@
     <PackageReference Include="MSTest.TestAdapter" Version="$(MSTestPackageVersion)" />
     <PackageReference Include="MSTest.TestFramework" Version="$(MSTestPackageVersion)" />
     <PackageReference Include="coverlet.collector" Version="$(CoverletPackageVersion)" />
+    <PackageReference Include="Moq" Version="$(MoqPackageVersion)" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/test/Masa.Utils.Data.Prometheus.Test/MasaPrometheusClientTests.cs b/test/Masa.Utils.Data.Prometheus.Test/MasaPrometheusClientTests.cs
index a0436ff..4dbea10 100644
--- a/test/Masa.Utils.Data.Prometheus.Test/MasaPrometheusClientTests.cs
+++ b/test/Masa.Utils.Data.Prometheus.Test/MasaPrometheusClientTests.cs
@@ -107,17 +107,17 @@ public async Task TestSeriesQueryAsync()
     [DataRow(new string[] { "error data" })]
     public async Task TestLabelsQueryAsync(IEnumerable<string> matches)
     {
-        var result = await _client.LabelsQueryAsync(new MetaDataQueryRequest { Match = matches });
         if (matches != null && matches.Any(s => s.Contains(' ')))
         {
+            var result = await _client.LabelsQueryAsync(new MetaDataQueryRequest { Match = matches });
             Assert.AreEqual(result.Status, ResultStatuses.Error);
             Assert.IsNotNull(result.Error);
         }
         else
-    {
-        var result = await _client.LabelsQueryAsync(default!);
-        Assert.IsNotNull(result);
-        Assert.AreEqual(result.Status, ResultStatuses.Success);
+        {
+            var result = await _client.LabelsQueryAsync(default!);
+            Assert.IsNotNull(result);
+            Assert.AreEqual(result.Status, ResultStatuses.Success);
             if (matches == null || matches.Any(s => s == "up"))
             {
                 Assert.IsTrue(result.Data?.Any());