diff --git a/apps/ai-game-creator-shell/src-tauri/src/error_report/submit.rs b/apps/ai-game-creator-shell/src-tauri/src/error_report/submit.rs
index 33f6cb46f..96a0692b1 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/error_report/submit.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/error_report/submit.rs
@@ -12,7 +12,7 @@ use reqwest::StatusCode;
 use serde_json::Value;
 use sha2::{Digest, Sha256};
 use shared_contracts::error_reports::{CreateErrorReportBatchRequest, ErrorReportLogInput, Event};
-use std::time::Duration;
+use std::{path::Path, time::Duration};
 use url::Url;
 
 const HTTP_TIMEOUT: Duration = Duration::from_secs(60);
@@ -78,13 +78,28 @@ fn response_error(status: StatusCode, body: &str) -> String {
     let detail = serde_json::from_str::<Value>(body)
         .ok()
         .and_then(|value| {
-            value
-                .get("error")
-                .and_then(|error| error.get("message"))
+            let error = value.get("error").unwrap_or(&value);
+            error
+                .get("message")
                 .and_then(Value::as_str)
                 .map(str::trim)
                 .filter(|value| !value.is_empty())
                 .map(ToString::to_string)
+                .or_else(|| {
+                    error
+                        .get("code")
+                        .and_then(Value::as_str)
+                        .map(str::to_string)
+                })
+                .or_else(|| serde_json::to_string(error).ok())
+        })
+        .or_else(|| {
+            let detail = crate::agent::redact_agent_runtime_error(
+                Path::new("__agc_no_project_root__"),
+                body.trim(),
+                600,
+            );
+            (!detail.trim().is_empty()).then_some(detail)
         })
         .unwrap_or_else(|| format!("HTTP {}", status.as_u16()));
     format!("错误报告提交失败：{detail}")
@@ -92,7 +107,7 @@ fn response_error(status: StatusCode, body: &str) -> String {
 
 fn response_data(body: &str) -> Result<Value, String> {
     let value: Value = serde_json::from_str(body)
-        .map_err(|_| "错误报告提交失败：响应不是合法 JSON".to_string())?;
+        .map_err(|error| format!("错误报告提交失败：响应不是合法 JSON：{error}"))?;
     Ok(value.get("data").cloned().unwrap_or(value))
 }