Asynchronous thread optimization

Src/Asp.Net/SqlSugar/SqlSugarClient.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Dynamic;
 using System.Linq;
 using System.Linq.Expressions;
@@ -748,9 +749,18 @@ namespace SqlSugar
             }
             else
             {
-                IsSingleInstance = true;
+                StackTrace st = new StackTrace(true);
+                var methods = st.GetFrames();
+                var isAsync = UtilMethods.IsAnyAsyncMethod(methods);
+                if (isAsync)
+                {
+                    result = Synchronization();
+                }
+                else
+                {
                     result = NoSameThread();
                 }
+            }
             if (result.Root == null)
             {
                 result.Root = this;

Src/Asp.Net/SqlSugar/Utilities/UtilMethods.cs

@@ -7,6 +7,7 @@ using System.Diagnostics;
 using System.Globalization;
 using System.Linq;
 using System.Reflection;
+using System.Runtime.CompilerServices;
 using System.Security.Cryptography;
 using System.Text;
 using System.Text.RegularExpressions;
@@ -44,6 +45,29 @@ namespace SqlSugar
             }
             return value;
         }
+        public static bool IsAnyAsyncMethod(StackFrame[] methods)
+        {
+            bool isAsync = false;
+            foreach (var item in methods)
+            {
+                if (UtilMethods.IsAsyncMethod(item.GetMethod()))
+                {
+                    isAsync = true;
+                }
+            }
+            return isAsync;
+        }
+
+        public static bool IsAsyncMethod(MethodBase method)
+        {
+            if (method == null)
+            {
+                return false;
+            }
+            Type attType = typeof(AsyncStateMachineAttribute); 
+            var attrib = (AsyncStateMachineAttribute)method.GetCustomAttribute(attType);
+            return (attrib != null);
+        }
 
         public static StackTraceInfo GetStackTrace()
         {