bug 修复

firmware/ai_light/ai_light.ino

@@ -608,8 +608,6 @@ void setup() {
   currentMode = "init";
   modeStart = millis();
 
-  setupBLE();
-
   if (useMQTT && isConfigComplete()) {
     connectWiFi();
     connectMQTT();
@@ -617,6 +615,9 @@ void setup() {
     Serial.println("Config incomplete. Use BLE to configure.");
   }
 
+  setupBLE();
+  delay(100);
+
   setMode("traffic");
   Serial.println("Long press BOOT (3s) to switch mode.");
 }