diff --git a/apps/ai-game-creator-shell/src-tauri/src/agent/direct_tools_mcp.rs b/apps/ai-game-creator-shell/src-tauri/src/agent/direct_tools_mcp.rs
index 615fd3ead..f242153cd 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/agent/direct_tools_mcp.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/agent/direct_tools_mcp.rs
@@ -307,7 +307,7 @@ fn direct_tools_mcp_specs_for(controlled_web_search: bool, _cocos_editor_availab
                             "type": "string",
                             "minLength": 1,
                             "maxLength": 80,
-                            "description": "可选的 manifest 资源 kind 精确过滤，例如 video、character-animation、sound-effect、background-music 或 art-spritesheet-slice"
+                            "description": "可选的 manifest 资源 kind 精确过滤，例如 video、character-animation、sound-effect、background-music 或 icon-spritesheet"
                         },
                         "assetId": {
                             "type": "string",