diff --git a/FreeSql/Internal/CommonProvider/SelectProvider/Select1Provider.cs b/FreeSql/Internal/CommonProvider/SelectProvider/Select1Provider.cs
index a940c2f7..7e52c879 100644
--- a/FreeSql/Internal/CommonProvider/SelectProvider/Select1Provider.cs
+++ b/FreeSql/Internal/CommonProvider/SelectProvider/Select1Provider.cs
@@ -338,9 +338,26 @@ namespace FreeSql.Internal.CommonProvider
             _tables[0].Parameter = exp.Parameters[0];
             return this.InternalWhere(exp?.Body);
         }
-        public ISelect<T1> WhereDynamic(object dywhere, bool not = false) => not == false ?
-            this.Where(_commonUtils.WhereObject(_tables.First().Table, $"{_tables.First().Alias}.", dywhere)) :
-            this.Where($"not({_commonUtils.WhereObject(_tables.First().Table, $"{_tables.First().Alias}.", dywhere)})");
+        public ISelect<T1> WhereDynamic(object dywhere, bool not = false)
+        {
+            if (dywhere is DynamicFilterInfo dyfilter)
+            {
+                if (not == false) return this.WhereDynamicFilter(dyfilter);
+
+                var oldwhere = _where.ToString();
+                _where.Clear();
+
+                this.WhereDynamicFilter(dyfilter);
+                var newwhere = _where.ToString();
+                _where.Clear();
+
+                return this
+                    .Where(oldwhere)
+                    .WhereIf(string.IsNullOrWhiteSpace(newwhere) == false, $"not({newwhere})");
+            }
+            var wheresql = _commonUtils.WhereObject(_tables.First().Table, $"{_tables.First().Alias}.", dywhere);
+            return not == false ? this.Where(wheresql) : this.Where($"not({wheresql})");
+        }
 
         public ISelect<T1> WhereCascade(Expression<Func<T1, bool>> exp)
         {
diff --git a/readme.md b/readme.md
index e880b81a..52a00d81 100644
--- a/readme.md
+++ b/readme.md
@@ -189,7 +189,7 @@ QQ群：4336577(已满)、8578575(在线)、52508226(在线)
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