From 197c86fa7238dc194cc688e1c44755d57779066c Mon Sep 17 00:00:00 2001
From: AskaEth <i@yeij.top>
Date: Fri, 3 Jul 2026 12:02:46 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=20web=5Fsearch=20?=
 =?UTF-8?q?=E6=90=9C=E7=B4=A2=E8=B6=85=E6=97=B6=E5=92=8C=E5=99=AA=E9=9F=B3?=
 =?UTF-8?q?=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- 移除baidu/360search引擎（安全验证拦截），保留bing+sogou
- 超时从10s增加到25s，SearXNG内部timeout=20s
- 添加User-Agent
- 跳过失败的工具结果推送，避免"百度被安全验证挡住"等噪音刷屏

Co-Authored-By: Claude <noreply@anthropic.com>
---
 backend/ai-core/cmd/main.go                  |  8 ++++++++
 backend/ai-core/internal/tools/web_search.go | 15 +++++++++------
 2 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/backend/ai-core/cmd/main.go b/backend/ai-core/cmd/main.go
index 7e03e21..876c878 100644
--- a/backend/ai-core/cmd/main.go
+++ b/backend/ai-core/cmd/main.go
@@ -462,6 +462,14 @@ func main() {
 			if err := json.Unmarshal([]byte(result), &toolResult); err != nil {
 				toolResult = map[string]interface{}{"output": result}
 			}
+
+			// 跳过失败的工具调用 — 错误结果不需要 LLM 跟进，避免噪音刷屏
+			if success, ok := toolResult["success"].(bool); ok && !success {
+				errMsg, _ := toolResult["error"].(string)
+				log.Printf("[tool-followup] 跳过失败工具 %s: %s", toolName, errMsg)
+				return
+			}
+
 			output, _ := toolResult["output"].(string)
 			if output == "" {
 				output = result
diff --git a/backend/ai-core/internal/tools/web_search.go b/backend/ai-core/internal/tools/web_search.go
index a0e2c90..ab0c104 100644
--- a/backend/ai-core/internal/tools/web_search.go
+++ b/backend/ai-core/internal/tools/web_search.go
@@ -11,7 +11,7 @@ import (
 	"time"
 )
 
-// WebSearchTool 网页搜索工具 - 基于 SearXNG (或 DuckDuckGo fallback)
+// WebSearchTool 网页搜索工具 - 基于 SearXNG
 type WebSearchTool struct {
 	client     *http.Client
 	timeout    time.Duration
@@ -22,9 +22,9 @@ type WebSearchTool struct {
 func NewWebSearchTool() *WebSearchTool {
 	return &WebSearchTool{
 		client: &http.Client{
-			Timeout: 10 * time.Second,
+			Timeout: 25 * time.Second,
 		},
-		timeout: 10 * time.Second,
+		timeout: 25 * time.Second,
 	}
 }
 
@@ -32,9 +32,9 @@ func NewWebSearchTool() *WebSearchTool {
 func NewWebSearchToolWithURL(searxngURL string) *WebSearchTool {
 	return &WebSearchTool{
 		client: &http.Client{
-			Timeout: 10 * time.Second,
+			Timeout: 25 * time.Second,
 		},
-		timeout:    10 * time.Second,
+		timeout:    25 * time.Second,
 		searxngURL: strings.TrimRight(searxngURL, "/"),
 	}
 }
@@ -97,13 +97,16 @@ func (t *WebSearchTool) Execute(ctx context.Context, arguments map[string]interf
 }
 
 func (t *WebSearchTool) searchViaSearXNG(ctx context.Context, query string) (*ToolResult, error) {
-	apiURL := fmt.Sprintf("%s/search?format=json&engines=bing,sogou,360search,baidu&q=%s",
+	// 只用 bing+sogou，去掉 baidu（安全验证拦截）和360search（不稳定）
+	// timeout=20 让 SearXNG 内部限速，避免慢引擎拖垮整次搜索
+	apiURL := fmt.Sprintf("%s/search?format=json&engines=bing,sogou&timeout=20&q=%s",
 		t.searxngURL, url.QueryEscape(query))
 
 	req, err := http.NewRequestWithContext(ctx, "GET", apiURL, nil)
 	if err != nil {
 		return &ToolResult{ToolName: "web_search", Success: false, Error: fmt.Sprintf("创建请求失败: %v", err)}, nil
 	}
+	req.Header.Set("User-Agent", "Mozilla/5.0 (compatible; CyreneBot/1.0)")
 
 	resp, err := t.client.Do(req)
 	if err != nil {