diff --git a/apps/ai-game-creator-shell/src-tauri/src/agent/tool/remove_background/error.rs b/apps/ai-game-creator-shell/src-tauri/src/agent/tool/remove_background/error.rs
index a04887152..1c903e51a 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/agent/tool/remove_background/error.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/agent/tool/remove_background/error.rs
@@ -94,13 +94,13 @@ impl ToolFailure for RemoveBackgroundError {
                 format!("抠图失败：assetName 必须是字符串，当前是「{got}」。")
             }
             Self::BackgroundModeNotText { got } => {
-                format!("抠图失败：backgroundMode 必须是 complex 或 flat，当前是「{got}」。")
+                format!("抠图失败：backgroundMode 必须是字符串，当前是「{got}」。")
             }
             Self::BackgroundModeUnsupported { got } => {
                 format!("抠图失败：backgroundMode「{got}」不受支持，只能是 complex 或 flat。")
             }
             Self::ScreenColorNotText { got } => {
-                format!("抠图失败：screenColor 必须是 auto 或 #RRGGBB，当前是「{got}」。")
+                format!("抠图失败：screenColor 必须是字符串，当前是「{got}」。")
             }
             Self::ScreenColorMalformed { got } => {
                 format!("抠图失败：screenColor「{got}」不是受支持的取值，必须是 auto 或 #RRGGBB。")