diff --git a/Casbin/Extensions/LoggerExtension.cs b/Casbin/Extensions/LoggerExtension.cs
index b0124a7..5d8b763 100644
--- a/Casbin/Extensions/LoggerExtension.cs
+++ b/Casbin/Extensions/LoggerExtension.cs
@@ -11,20 +11,20 @@ public static class LoggerExtension
         public static void LogEnforceCachedResult<TRequest>(this ILogger logger, in TRequest requestValues, bool result)
             where TRequest : IRequestValues
         {
-            logger.LogInformation("Request: {1} ---> {0} (cached)", result, requestValues);
+            logger.LogInformation("Request: {Result} ---> {RequestValues} (cached)", result, requestValues);
         }
 
         public static void LogEnforceResult<TRequest>(this ILogger logger, in TRequest requestValues, bool result)
             where TRequest : IRequestValues
         {
-            logger.LogInformation("Request: {1} ---> {0}", result, requestValues);
+            logger.LogInformation("Request: {Result} ---> {RequestValues}", result, requestValues);
         }
 
         public static void LogEnforceResult<TRequest>(this ILogger logger, in TRequest requestValues,
             bool result, IEnumerable<IEnumerable<string>> explains)
             where TRequest : IRequestValues
         {
-            logger.LogInformation("Request: {1} ---> {0}\nHit Store: {2}", result, requestValues,
+            logger.LogInformation("Request: {Result} ---> {RequestValues} Hit Store: {Explain}", result, requestValues,
                 string.Join("\n", explains.Select(explain =>
                     string.Join(", ", explain))));
         }
diff --git a/Casbin/Model/RequestValues.cs b/Casbin/Model/RequestValues.cs
index 9eebfb6..8d2e488 100644
--- a/Casbin/Model/RequestValues.cs
+++ b/Casbin/Model/RequestValues.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Text;
 
 namespace Casbin.Model;
 
@@ -46,6 +47,11 @@ public bool TrySetValue<T1>(int index, T1 value)
                 return false;
         }
     }
+
+    public override string ToString()
+    {
+        return $"[{RequestValues.ToStringValue(Value1)}]";
+    }
 }
 
 public struct RequestValues<T1, T2> : IRequestValues
@@ -82,6 +88,11 @@ public bool TrySetValue<T>(int index, T value)
                 return false;
         }
     }
+
+    public override string ToString()
+    {
+        return $"[{RequestValues.ToStringValue(Value1)}, {RequestValues.ToStringValue(Value2)}]";
+    }
 }
 
 public struct RequestValues<T1, T2, T3> : IRequestValues
@@ -124,6 +135,11 @@ public bool TrySetValue<T>(int index, T value)
                 return false;
         }
     }
+
+    public override string ToString()
+    {
+        return $"[{RequestValues.ToStringValue(Value1)}, {RequestValues.ToStringValue(Value2)}, {RequestValues.ToStringValue(Value3)}]";
+    }
 }
 
 public struct RequestValues<T1, T2, T3, T4> : IRequestValues
@@ -172,6 +188,11 @@ public bool TrySetValue<T>(int index, T value)
                 return false;
         }
     }
+
+    public override string ToString()
+    {
+        return $"[{RequestValues.ToStringValue(Value1)}, {RequestValues.ToStringValue(Value2)}, {RequestValues.ToStringValue(Value3)}, {RequestValues.ToStringValue(Value4)}]";
+    }
 }
 
 public struct RequestValues<T1, T2, T3, T4, T5> : IRequestValues
@@ -226,6 +247,11 @@ public bool TrySetValue<T>(int index, T value)
                 return false;
         }
     }
+
+    public override string ToString()
+    {
+        return $"[{RequestValues.ToStringValue(Value1)}, {RequestValues.ToStringValue(Value2)}, {RequestValues.ToStringValue(Value3)}, {RequestValues.ToStringValue(Value4)}, {RequestValues.ToStringValue(Value5)}]";
+    }
 }
 
 public struct RequestValues<T1, T2, T3, T4, T5, T6> : IRequestValues
@@ -286,6 +312,11 @@ public bool TrySetValue<T>(int index, T value)
                 return false;
         }
     }
+
+    public override string ToString()
+    {
+        return $"[{RequestValues.ToStringValue(Value1)}, {RequestValues.ToStringValue(Value2)}, {RequestValues.ToStringValue(Value3)}, {RequestValues.ToStringValue(Value4)}, {RequestValues.ToStringValue(Value5)}, {RequestValues.ToStringValue(Value6)}]";
+    }
 }
 
 public struct RequestValues<T1, T2, T3, T4, T5, T6, T7> : IRequestValues
@@ -352,6 +383,11 @@ public bool TrySetValue<T>(int index, T value)
                 return false;
         }
     }
+
+    public override string ToString()
+    {
+        return $"[{RequestValues.ToStringValue(Value1)}, {RequestValues.ToStringValue(Value2)}, {RequestValues.ToStringValue(Value3)}, {RequestValues.ToStringValue(Value4)}, {RequestValues.ToStringValue(Value5)}, {RequestValues.ToStringValue(Value6)}, {RequestValues.ToStringValue(Value7)}]";
+    }
 }
 
 public struct RequestValues<T1, T2, T3, T4, T5, T6, T7, T8> : IRequestValues
@@ -424,6 +460,11 @@ public bool TrySetValue<T>(int index, T value)
                 return false;
         }
     }
+
+    public override string ToString()
+    {
+        return $"[{RequestValues.ToStringValue(Value1)}, {RequestValues.ToStringValue(Value2)}, {RequestValues.ToStringValue(Value3)}, {RequestValues.ToStringValue(Value4)}, {RequestValues.ToStringValue(Value5)}, {RequestValues.ToStringValue(Value6)}, {RequestValues.ToStringValue(Value7)}, {RequestValues.ToStringValue(Value8)}]";
+    }
 }
 
 public struct RequestValues<T1, T2, T3, T4, T5, T6, T7, T8, T9> : IRequestValues
@@ -503,6 +544,11 @@ public bool TrySetValue<T>(int index, T value)
                 return false;
         }
     }
+
+    public override string ToString()
+    {
+        return $"[{RequestValues.ToStringValue(Value1)}, {RequestValues.ToStringValue(Value2)}, {RequestValues.ToStringValue(Value3)}, {RequestValues.ToStringValue(Value4)}, {RequestValues.ToStringValue(Value5)}, {RequestValues.ToStringValue(Value6)}, {RequestValues.ToStringValue(Value7)}, {RequestValues.ToStringValue(Value8)}, {RequestValues.ToStringValue(Value9)}]";
+    }
 }
 
 public struct RequestValues<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> : IRequestValues
@@ -588,6 +634,11 @@ public bool TrySetValue<T>(int index, T value)
                 return false;
         }
     }
+
+    public override string ToString()
+    {
+        return $"[{RequestValues.ToStringValue(Value1)}, {RequestValues.ToStringValue(Value2)}, {RequestValues.ToStringValue(Value3)}, {RequestValues.ToStringValue(Value4)}, {RequestValues.ToStringValue(Value5)}, {RequestValues.ToStringValue(Value6)}, {RequestValues.ToStringValue(Value7)}, {RequestValues.ToStringValue(Value8)}, {RequestValues.ToStringValue(Value9)}, {RequestValues.ToStringValue(Value10)}]";
+    }
 }
 
 public struct RequestValues<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> : IRequestValues
@@ -679,6 +730,11 @@ public bool TrySetValue<T>(int index, T value)
                 return false;
         }
     }
+
+    public override string ToString()
+    {
+        return $"[{RequestValues.ToStringValue(Value1)}, {RequestValues.ToStringValue(Value2)}, {RequestValues.ToStringValue(Value3)}, {RequestValues.ToStringValue(Value4)}, {RequestValues.ToStringValue(Value5)}, {RequestValues.ToStringValue(Value6)}, {RequestValues.ToStringValue(Value7)}, {RequestValues.ToStringValue(Value8)}, {RequestValues.ToStringValue(Value9)}, {RequestValues.ToStringValue(Value10)}, {RequestValues.ToStringValue(Value11)}]";
+    }
 }
 
 public struct RequestValues<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> : IRequestValues
@@ -776,6 +832,11 @@ public bool TrySetValue<T>(int index, T value)
                 return false;
         }
     }
+
+    public override string ToString()
+    {
+        return $"[{RequestValues.ToStringValue(Value1)}, {RequestValues.ToStringValue(Value2)}, {RequestValues.ToStringValue(Value3)}, {RequestValues.ToStringValue(Value4)}, {RequestValues.ToStringValue(Value5)}, {RequestValues.ToStringValue(Value6)}, {RequestValues.ToStringValue(Value7)}, {RequestValues.ToStringValue(Value8)}, {RequestValues.ToStringValue(Value9)}, {RequestValues.ToStringValue(Value10)}, {RequestValues.ToStringValue(Value11)}, {RequestValues.ToStringValue(Value12)}]";
+    }
 }
 
 public struct RequestValues<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13> : IRequestValues
@@ -879,6 +940,11 @@ public bool TrySetValue<T>(int index, T value)
                 return false;
         }
     }
+
+    public override string ToString()
+    {
+        return $"[{RequestValues.ToStringValue(Value1)}, {RequestValues.ToStringValue(Value2)}, {RequestValues.ToStringValue(Value3)}, {RequestValues.ToStringValue(Value4)}, {RequestValues.ToStringValue(Value5)}, {RequestValues.ToStringValue(Value6)}, {RequestValues.ToStringValue(Value7)}, {RequestValues.ToStringValue(Value8)}, {RequestValues.ToStringValue(Value9)}, {RequestValues.ToStringValue(Value10)}, {RequestValues.ToStringValue(Value11)}, {RequestValues.ToStringValue(Value12)}, {RequestValues.ToStringValue(Value13)}]";
+    }
 }
 
 public struct RequestValues<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14> : IRequestValues
@@ -988,6 +1054,11 @@ public bool TrySetValue<T>(int index, T value)
                 return false;
         }
     }
+
+    public override string ToString()
+    {
+        return $"[{RequestValues.ToStringValue(Value1)}, {RequestValues.ToStringValue(Value2)}, {RequestValues.ToStringValue(Value3)}, {RequestValues.ToStringValue(Value4)}, {RequestValues.ToStringValue(Value5)}, {RequestValues.ToStringValue(Value6)}, {RequestValues.ToStringValue(Value7)}, {RequestValues.ToStringValue(Value8)}, {RequestValues.ToStringValue(Value9)}, {RequestValues.ToStringValue(Value10)}, {RequestValues.ToStringValue(Value11)}, {RequestValues.ToStringValue(Value12)}, {RequestValues.ToStringValue(Value13)}, {RequestValues.ToStringValue(Value14)}]";
+    }
 }
 
 public struct StringRequestValues : IRequestValues
@@ -1110,6 +1181,11 @@ public bool TrySetValue(int index, string value)
                 return false;
         }
     }
+
+    public override string ToString()
+    {
+        return $"[{Value1}, {Value2}, {Value3}, {Value4}, {Value5}, {Value6}, {Value7}, {Value8}, {Value9}, {Value10}, {Value11}, {Value12}, {Value13}, {Value14}]";
+    }
 }
 
 public readonly struct ListRequestValues<TValue> : IRequestValues
@@ -1152,4 +1228,20 @@ public bool TrySetValue<T>(int index, T value)
         _values[index] = v;
         return true;
     }
+
+    public override string ToString()
+    {
+        var sb = new StringBuilder();
+        sb.Append('[');
+        for (var i = 0; i < _values.Count; i++)
+        {
+            if (i > 0)
+            {
+                sb.Append(", ");
+            }
+            sb.Append(RequestValues.ToStringValue(_values[i]));
+        }
+        sb.Append(']');
+        return sb.ToString();
+    }
 }