diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/TencentMapsController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/TencentMapsController.cs
index 0745246..92a4bff 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/TencentMapsController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/TencentMapsController.cs
@@ -53,14 +53,15 @@ public sealed class TencentMapsController(IConfiguration configuration) : BaseAp
             ["libraries"] = resolvedLibraries,
             ["v"] = resolvedVersion
         };
-        var queryString = BuildQueryString(parameters);
-        var signature = ComputeSignature("/api/gljs", queryString, sk);
-        var scriptUrl = $"https://map.qq.com/api/gljs?{queryString}&sig={signature}";
+        var signatureQuery = BuildQueryString(parameters, encode: false);
+        var requestQuery = BuildQueryString(parameters, encode: true);
+        var signature = ComputeSignature("/api/gljs", signatureQuery, sk);
+        var scriptUrl = $"https://map.qq.com/api/gljs?{requestQuery}&sig={signature}";
 
         return ApiResponse<TencentMapScriptResponse>.Ok(new TencentMapScriptResponse(scriptUrl));
     }
 
-    private static string BuildQueryString(IEnumerable<KeyValuePair<string, string>> parameters)
+    private static string BuildQueryString(IEnumerable<KeyValuePair<string, string>> parameters, bool encode)
     {
         var builder = new StringBuilder();
         foreach (var (key, value) in parameters)
@@ -71,7 +72,7 @@ public sealed class TencentMapsController(IConfiguration configuration) : BaseAp
             }
             builder.Append(key);
             builder.Append('=');
-            builder.Append(Uri.EscapeDataString(value));
+            builder.Append(encode ? Uri.EscapeDataString(value) : value);
         }
         return builder.ToString();
     }