diff --git a/apps/ai-game-creator-shell/src-tauri/src/agent/tool/browser_playtest/error.rs b/apps/ai-game-creator-shell/src-tauri/src/agent/tool/browser_playtest/error.rs
index 55291cfda..6c0c05a5d 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/agent/tool/browser_playtest/error.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/agent/tool/browser_playtest/error.rs
@@ -24,7 +24,7 @@ pub(crate) enum BrowserPlaytestError {
 impl ToolFailure for BrowserPlaytestError {
     fn to_user_msg(&self) -> String {
         match self {
-            Self::PlaytestFailed { cause } => cause.to_string(),
+            Self::PlaytestFailed { cause } => cause.clone(),
             Self::PlaytestNotPassed { report, .. } => format!("浏览器试玩未通过：{report}"),
         }
     }