diff --git a/nuget-publish.bat b/nuget-publish.bat
index 7848ca9c..0fead255 100644
--- a/nuget-publish.bat
+++ b/nuget-publish.bat
@@ -1,9 +1,9 @@
 :start
 ::定义版本
-set EFCORE2=2.3.1.84
-set EFCORE3=3.3.1.84
-set EFCORE5=5.3.1.84
-set EFCORE6=6.3.1.84
+set EFCORE2=2.3.1.85
+set EFCORE3=3.3.1.85
+set EFCORE5=5.3.1.85
+set EFCORE6=6.3.1.85
 
 ::删除所有bin与obj下的文件
 @echo off
diff --git a/samples/Sample.SqlServer/Controllers/ValuesController.cs b/samples/Sample.SqlServer/Controllers/ValuesController.cs
index e0a91c9d..8f7e5a8a 100644
--- a/samples/Sample.SqlServer/Controllers/ValuesController.cs
+++ b/samples/Sample.SqlServer/Controllers/ValuesController.cs
@@ -47,16 +47,21 @@ namespace Sample.SqlServer.Controllers
         [HttpGet]
         public async Task<IActionResult> Get()
         {
-            var sql = from ut in _defaultTableDbContext.Set<SysTest>()
-                      join u in _defaultTableDbContext.Set<SysUserMod>()
-                          on ut.UserId equals u.Id
-                      select new
-                      {
-                          ut.Id,
-                          userId = u.Id
-                      };
-            var listAsync = await sql.ToListAsync();
-            var resultx112331tt = await _defaultTableDbContext.Set<SysTest>().AsNoTracking().CountAsync();
+            //var sql = from ut in _defaultTableDbContext.Set<SysTest>()
+            //          join u in _defaultTableDbContext.Set<SysUserMod>()
+            //              on ut.UserId equals u.Id
+            //          select new
+            //          {
+            //              ut.Id,
+            //              userId = u.Id
+            //          };
+            //var listAsync = await sql.ToListAsync();
+            //var resultx112331tt = await _defaultTableDbContext.Set<SysTest>().AsNoTracking().CountAsync();
+            var resultx112331tt2 = await _defaultTableDbContext.Set<SysTest>().FirstOrDefaultAsync(o=>o.Id=="2");
+            var resultx112331ttaa2 = await _defaultTableDbContext.Set<SysTest>().FirstOrDefaultAsync(o=>o.Id=="2");
+            resultx112331ttaa2.UserId = "zzzz";
+            var resultx112331tt2xx = await _defaultTableDbContext.Set<SysTest>().Where(o => o.Id == "2").FirstOrDefaultAsync();
+            resultx112331tt2xx.UserId = "xxxxx";
             var resultx112331 = await _defaultTableDbContext.Set<SysUserMod>().CountAsync();
             var resultx11233411 = _defaultTableDbContext.Set<SysUserMod>().Count();
             var resultx11231 = await _defaultTableDbContext.Set<SysUserMod>().Where(o => o.Age == 198198).Select(o => o.Id).ContainsAsync("1981");
diff --git a/src/ShardingCore/EFCores/ShardingQueryCompiler.cs b/src/ShardingCore/EFCores/ShardingQueryCompiler.cs
index 0d4336d3..970604d0 100644
--- a/src/ShardingCore/EFCores/ShardingQueryCompiler.cs
+++ b/src/ShardingCore/EFCores/ShardingQueryCompiler.cs
@@ -81,7 +81,7 @@ namespace ShardingCore.EFCores
                 }
                 return _shardingQueryExecutor.ExecuteAsync<TResult>(_currentContext, query, cancellationToken);
             }
-                throw new ShardingCoreException("db context operator is not IShardingDbContext");
+            throw new ShardingCoreException("db context operator is not IShardingDbContext");
         }
 
         [ExcludeFromCodeCoverage]
@@ -90,12 +90,6 @@ namespace ShardingCore.EFCores
             throw new NotImplementedException();
         }
 
-        [ExcludeFromCodeCoverage]
-        public Func<QueryContext, Task<TResult>> CreateCompiledAsyncTaskQuery<TResult>(Expression query)
-        {
-            throw new NotImplementedException();
-        }
-
         [ExcludeFromCodeCoverage]
         public Func<QueryContext, TResult> CreateCompiledAsyncQuery<TResult>(Expression query)
         {
diff --git a/src/ShardingCore/Sharding/ShardingDbContextExecutors/NoShardingFirstComparer.cs b/src/ShardingCore/Sharding/ShardingDbContextExecutors/NoShardingFirstComparer.cs
index 6df5c43c..30607529 100644
--- a/src/ShardingCore/Sharding/ShardingDbContextExecutors/NoShardingFirstComparer.cs
+++ b/src/ShardingCore/Sharding/ShardingDbContextExecutors/NoShardingFirstComparer.cs
@@ -35,10 +35,13 @@ namespace ShardingCore.Sharding.ShardingDbContextExecutors
         /// <returns></returns>
         public int Compare(string? x, string? y)
         {
-            if (_defaultTail.Equals(x))
-                return -1;
-            if (_defaultTail.Equals(y))
-                return 1;
+            if (!Object.Equals(x, y))
+            {
+                if (_defaultTail.Equals(x))
+                    return -1;
+                if (_defaultTail.Equals(y))
+                    return 1;
+            }
             return Comparer<string>.Default.Compare(x, y);
         }
     }