diff --git a/apps/ai-game-creator-shell/src-tauri/src/agent/tool/delivery_status/error.rs b/apps/ai-game-creator-shell/src-tauri/src/agent/tool/delivery_status/error.rs
index 3aafbe1e1..c6b0f7266 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/agent/tool/delivery_status/error.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/agent/tool/delivery_status/error.rs
@@ -26,7 +26,7 @@ impl ToolFailure for DeliveryStatusError {
         match self {
             Self::ArgumentsNotAccepted => "交付状态工具不接受参数。".to_string(),
             Self::Gate(rejection) => rejection.to_user_msg(),
-            Self::StatusUnavailable { cause } => cause.to_string(),
+            Self::StatusUnavailable { cause } => format!("交付状态读取失败：{cause}"),
         }
     }
 
diff --git a/apps/ai-game-creator-shell/src-tauri/src/agent/tool/register_delivery_contract/error.rs b/apps/ai-game-creator-shell/src-tauri/src/agent/tool/register_delivery_contract/error.rs
index 53a3b243e..7e875e207 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/agent/tool/register_delivery_contract/error.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/agent/tool/register_delivery_contract/error.rs
@@ -24,7 +24,7 @@ impl ToolFailure for RegisterDeliveryContractError {
     fn to_user_msg(&self) -> String {
         match self {
             Self::Gate(rejection) => rejection.to_user_msg(),
-            Self::ContractRejected { cause } => cause.to_string(),
+            Self::ContractRejected { cause } => format!("登记交付合同失败：{cause}"),
         }
     }
 
diff --git a/apps/ai-game-creator-shell/src-tauri/src/agent/tool/update_plan/error.rs b/apps/ai-game-creator-shell/src-tauri/src/agent/tool/update_plan/error.rs
index 0a6153966..17c606aec 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/agent/tool/update_plan/error.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/agent/tool/update_plan/error.rs
@@ -23,7 +23,7 @@ impl ToolFailure for UpdatePlanError {
     fn to_user_msg(&self) -> String {
         match self {
             Self::Gate(rejection) => rejection.to_user_msg(),
-            Self::PlanRejected { cause } => cause.to_string(),
+            Self::PlanRejected { cause } => format!("更新计划失败：{cause}"),
         }
     }