diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_Helper.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_Helper.cs
index bc9b1daee..23423fa5f 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_Helper.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_Helper.cs
@@ -780,7 +780,7 @@ namespace SqlSugar
 
         private bool IsContainsArray(MethodCallExpression express, string methodName, bool isValidNativeMethod)
         {
-            return !isValidNativeMethod && express.Method.DeclaringType.Namespace.IsIn("System.Linq", "System.Collections.Generic") && methodName == "Contains";
+            return !isValidNativeMethod && express.Method.DeclaringType.Namespace.IsIn("System.Collections", "System.Linq", "System.Collections.Generic") && methodName == "Contains";
         }
         private bool IsSubMethod(MethodCallExpression express, string methodName)
         {