diff --git a/backend/ai-core/cmd/main.go b/backend/ai-core/cmd/main.go
index 4f44efc..4be5e99 100644
--- a/backend/ai-core/cmd/main.go
+++ b/backend/ai-core/cmd/main.go
@@ -38,7 +38,6 @@ import (
 	pluginFile "git.yeij.top/AskaEth/Cyrene-Plugins/file"
 	pluginHTTP "git.yeij.top/AskaEth/Cyrene-Plugins/http"
 	pluginWF "git.yeij.top/AskaEth/Cyrene-Plugins/web_fetch"
-	pluginWS "git.yeij.top/AskaEth/Cyrene-Plugins/web_search"
 )
 
 var cfg Config
@@ -195,12 +194,10 @@ func main() {
 		registerPlugins(toolRegistry)
 		for _, t := range pluginFile.NewFilePlugin(dataDir).Tools() { toolRegistry.Register(t) }
 		for _, t := range pluginHTTP.NewHTTPPlugin().Tools() { toolRegistry.Register(t) }
-		// 优先使用本地 SearXNG，不可用时回退 DuckDuckGo
+		// 仅使用本地 SearXNG（国内 DuckDuckGo 不可用）
 		searxngURL := getEnv("SEARXNG_URL", "")
 		if searxngURL != "" {
 			toolRegistry.Register(wrapTool(tools.NewWebSearchToolWithURL(searxngURL), "web_search", "Search the web via SearXNG", "search"))
-		} else {
-			for _, t := range pluginWS.NewWebSearchPlugin().Tools() { toolRegistry.Register(t) }
 		}
 		for _, t := range pluginWF.NewWebFetchPlugin().Tools() { toolRegistry.Register(t) }
 		// ai-core 专属工具 — 通过 sdk.Tool 适配器注册