diff --git a/Admin.NET/Admin.NET.Core/Attribute/DictAttribute.cs b/Admin.NET/Admin.NET.Core/Attribute/DictAttribute.cs
index a33106c9..a6ebabf6 100644
--- a/Admin.NET/Admin.NET.Core/Attribute/DictAttribute.cs
+++ b/Admin.NET/Admin.NET.Core/Attribute/DictAttribute.cs
@@ -81,7 +81,7 @@ public class DictAttribute : ValidationAttribute, ITransient
         // 6. 单选校验
         if (!Multiple)
         {
-            var valStr = value?.ToString()?.Trim();
+            var valStr = value?.ToString();
             if (string.IsNullOrEmpty(valStr) || !dictHashSet.Contains(valStr))
             {
                 return new ValidationResult($"提示：{ErrorMessage}|字典【{DictTypeCode}】不包含【{value}】！");
@@ -92,7 +92,7 @@ public class DictAttribute : ValidationAttribute, ITransient
         // 7. 多选校验
         if (value is string stringValue)
         {
-            var codes = stringValue.Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
+            var codes = stringValue.Split(',');
             foreach (var code in codes)
             {
                 if (!dictHashSet.Contains(code))
@@ -108,7 +108,7 @@ public class DictAttribute : ValidationAttribute, ITransient
         {
             foreach (var item in listValue)
             {
-                var itemStr = item?.ToString()?.Trim();
+                var itemStr = item?.ToString();
                 if (string.IsNullOrEmpty(itemStr) || !dictHashSet.Contains(itemStr))
                 {
                     return new ValidationResult($"提示：{ErrorMessage}|字典【{DictTypeCode}】不包含【{item}】！");