diff --git a/Runtime/Utility/Utility.Http.cs b/Runtime/Utility/Utility.Http.cs
index 85f0b71..28fe650 100644
--- a/Runtime/Utility/Utility.Http.cs
+++ b/Runtime/Utility/Utility.Http.cs
@@ -1,6 +1,4 @@
-#if ZSTRING_SUPPORT
-
-using System.Collections.Generic;
+using System.Collections.Generic;
 using Cysharp.Threading.Tasks;
 using UnityEngine;
 using UnityEngine.Networking;
@@ -104,4 +102,3 @@ namespace AlicizaX
         }
     }
 }
-#endif
diff --git a/Runtime/Utility/Utility.Text.cs b/Runtime/Utility/Utility.Text.cs
index 1ad1a28..3a1bf0d 100644
--- a/Runtime/Utility/Utility.Text.cs
+++ b/Runtime/Utility/Utility.Text.cs
@@ -1,10 +1,12 @@
-using Cysharp.Text;
+#if ZSTRING_SUPPORT
+using Cysharp.Text;
+#endif
 
 namespace AlicizaX
 {
     public static partial class Utility
     {
-        public  static class Text
+        public static class Text
         {
             /// <summary>
             /// 获取格式化字符串。
@@ -19,8 +21,11 @@ namespace AlicizaX
                 {
                     throw new GameFrameworkException("Format is invalid.");
                 }
-
+#if ZSTRING_SUPPORT
                 return ZString.Format(format, arg);
+#else
+                return string.Format(format, arg);
+#endif
             }
 
             /// <summary>
@@ -38,8 +43,11 @@ namespace AlicizaX
                 {
                     throw new GameFrameworkException("Format is invalid.");
                 }
-
+#if ZSTRING_SUPPORT
                 return ZString.Format(format, arg1, arg2);
+#else
+                return string.Format(format, arg1, arg2);
+#endif
             }
 
             /// <summary>
@@ -59,8 +67,11 @@ namespace AlicizaX
                 {
                     throw new GameFrameworkException("Format is invalid.");
                 }
-
+#if ZSTRING_SUPPORT
                 return ZString.Format(format, arg1, arg2, arg3);
+#else
+                return string.Format(format, arg1, arg2, arg3);
+#endif
             }
 
             /// <summary>
@@ -82,8 +93,11 @@ namespace AlicizaX
                 {
                     throw new GameFrameworkException("Format is invalid.");
                 }
-
+#if ZSTRING_SUPPORT
                 return ZString.Format(format, arg1, arg2, arg3, arg4);
+#else
+                return string.Format(format, arg1, arg2, arg3, arg4);
+#endif
             }
 
             /// <summary>
@@ -107,8 +121,11 @@ namespace AlicizaX
                 {
                     throw new GameFrameworkException("Format is invalid.");
                 }
-
+#if ZSTRING_SUPPORT
                 return ZString.Format(format, arg1, arg2, arg3, arg4, arg5);
+#else
+                return string.Format(format, arg1, arg2, arg3, arg4, arg5);
+#endif
             }
 
             /// <summary>
@@ -134,8 +151,11 @@ namespace AlicizaX
                 {
                     throw new GameFrameworkException("Format is invalid.");
                 }
-
+#if ZSTRING_SUPPORT
                 return ZString.Format(format, arg1, arg2, arg3, arg4, arg5, arg6);
+#else
+                return string.Format(format, arg1, arg2, arg3, arg4, arg5, arg6);
+#endif
             }
 
             /// <summary>
@@ -163,8 +183,11 @@ namespace AlicizaX
                 {
                     throw new GameFrameworkException("Format is invalid.");
                 }
-
+#if ZSTRING_SUPPORT
                 return ZString.Format(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7);
+#else
+                return string.Format(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7);
+#endif
             }
 
             /// <summary>
@@ -194,8 +217,11 @@ namespace AlicizaX
                 {
                     throw new GameFrameworkException("Format is invalid.");
                 }
-
+#if ZSTRING_SUPPORT
                 return ZString.Format(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8);
+#else
+                return string.Format(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8);
+#endif
             }
 
             /// <summary>
@@ -227,8 +253,11 @@ namespace AlicizaX
                 {
                     throw new GameFrameworkException("Format is invalid.");
                 }
-
+#if ZSTRING_SUPPORT
                 return ZString.Format(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9);
+#else
+                return string.Format(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9);
+#endif
             }
 
             /// <summary>
@@ -262,8 +291,11 @@ namespace AlicizaX
                 {
                     throw new GameFrameworkException("Format is invalid.");
                 }
-
+#if ZSTRING_SUPPORT
                 return ZString.Format(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10);
+#else
+                return string.Format(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10);
+#endif
             }
 
             /// <summary>
@@ -299,8 +331,11 @@ namespace AlicizaX
                 {
                     throw new GameFrameworkException("Format is invalid.");
                 }
-
+#if ZSTRING_SUPPORT
                 return ZString.Format(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11);
+#else
+                return string.Format(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11);
+#endif
             }
 
             /// <summary>
@@ -338,8 +373,11 @@ namespace AlicizaX
                 {
                     throw new GameFrameworkException("Format is invalid.");
                 }
-
+#if ZSTRING_SUPPORT
                 return ZString.Format(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12);
+#else
+                return string.Format(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12);
+#endif
             }
 
             /// <summary>
@@ -379,8 +417,11 @@ namespace AlicizaX
                 {
                     throw new GameFrameworkException("Format is invalid.");
                 }
-
+#if ZSTRING_SUPPORT
                 return ZString.Format(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13);
+#else
+                return string.Format(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13);
+#endif
             }
 
             /// <summary>
@@ -422,8 +463,11 @@ namespace AlicizaX
                 {
                     throw new GameFrameworkException("Format is invalid.");
                 }
-
+#if ZSTRING_SUPPORT
                 return ZString.Format(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14);
+#else
+                return string.Format(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14);
+#endif
             }
 
             /// <summary>
@@ -467,8 +511,11 @@ namespace AlicizaX
                 {
                     throw new GameFrameworkException("Format is invalid.");
                 }
-
+#if ZSTRING_SUPPORT
                 return ZString.Format(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14, arg15);
+#else
+                return string.Format(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14, arg15);
+#endif
             }
 
             /// <summary>
@@ -514,8 +561,11 @@ namespace AlicizaX
                 {
                     throw new GameFrameworkException("Format is invalid.");
                 }
-
+#if ZSTRING_SUPPORT
                 return ZString.Format(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14, arg15, arg16);
+#else
+                return string.Format(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14, arg15, arg16);
+#endif
             }
         }
     }