1.4.0705 优化后台，增加全局黑名单

app/src/main/java/com/aoleyun/sn/utils/WiFiUtils.java

@@ -176,7 +176,7 @@ public class WiFiUtils {
     }
 
 
-    synchronized public static void saveWiFiPasswd(List<WiFiAlias> passwd) {
+    public static void saveWiFiPasswd(List<WiFiAlias> passwd) {
         String jsonString = MMKV.mmkvWithID(CommonConfig.MMKV_ID, MMKV.MULTI_PROCESS_MODE).decodeString("WiFiPassword", "");
         Log.e(TAG, "saveWiFiPasswd: " + jsonString);
         Gson gson = new Gson();
@@ -254,7 +254,7 @@ public class WiFiUtils {
     }
 
 
-    synchronized private static boolean wifiSaved(String ssid) {
+    private static boolean wifiSaved(String ssid) {
         // 获取已保存wifi配置链表
         List<WifiConfiguration> configs = mWifiManager.getConfiguredNetworks();
         boolean saved = false;