diff --git a/local_plugins/agent_service/android/src/main/kotlin/com/yunqiinnovation/agent_service/StsAgent.kt b/local_plugins/agent_service/android/src/main/kotlin/com/yunqiinnovation/agent_service/StsAgent.kt
index ad533c229..97fe12eda 100644
--- a/local_plugins/agent_service/android/src/main/kotlin/com/yunqiinnovation/agent_service/StsAgent.kt
+++ b/local_plugins/agent_service/android/src/main/kotlin/com/yunqiinnovation/agent_service/StsAgent.kt
@@ -638,12 +638,14 @@ class StsAgent(
                 "?deviceNo=${config.deviceNo}&deviceId=${config.deviceId}" +
                 "&productId=${config.productId}&productKey=${config.productKey}" +
                 "&sign=$sign&sn=$sn&ts=$ts"
-        Log.i(TAG, "[YIDONG] connectWs: 连接WSS deviceNo=${config.deviceNo} deviceId=${config.deviceId} sn=$sn")
+        Log.i(TAG, "[YIDONG] connectWs: 连接WSS deviceNo=${config.deviceNo} deviceId=${config.deviceId} sn=$sn ts=$ts sign=$sign")
+        Log.i(TAG, "[YIDONG] connectWs: 完整URL = $url")
 
         val req = Request.Builder().url(url)
             .header("Origin", "https://ivs.chinamobiledevice.com:11443")
             .header("Host", "ivs.chinamobiledevice.com:11443")
             .build()
+        Log.i(TAG, "[YIDONG] connectWs: 请求头 Origin=https://ivs.chinamobiledevice.com:11443 Host=ivs.chinamobiledevice.com:11443")
 
         var resolved = false
 
@@ -667,7 +669,17 @@ class StsAgent(
             override fun onMessage(ws: WebSocket, bytes: okio.ByteString) {}
 
             override fun onFailure(ws: WebSocket, t: Throwable, response: Response?) {
-                Log.e(TAG, "[YIDONG] connectWs: WSS连接失败 ${t.message}")
+                val respInfo = if (response != null) {
+                    val bodySnippet = try {
+                        response.peekBody(2048).string()
+                    } catch (e: Exception) { "<body read failed: ${e.message}>" }
+                    "code=${response.code} message=${response.message} headers=${response.headers} body=$bodySnippet"
+                } else {
+                    "<no response>"
+                }
+                Log.e(TAG, "[YIDONG] connectWs: WSS连接失败 exception=${t.javaClass.name} message=${t.message}")
+                Log.e(TAG, "[YIDONG] connectWs: WSS连接失败 response: $respInfo")
+                Log.e(TAG, "[YIDONG] connectWs: WSS连接失败 url=$url")
                 if (webSocket === ws) webSocket = null  // 只清除自己的引用，避免覆盖新 WS
                 if (!resolved) { resolved = true; cont.resumeWithException(t) }
                 else launch { handleWsDone() }