upgrade：LOG日志异常修复.

人员列表实时更新。

app/src/main/java/com/hanghui/senic/service/usbserialdemo/utile/loacat/AppLogUtils.java

@@ -112,7 +112,7 @@ public final class AppLogUtils {
     private static final String NOTHING = "log nothing";
     private static final String NULL = "null";
     private static final String ARGS = "args";
-    private static final Config CONFIG = new Config();
+    private static  Config CONFIG ;
 
     private static String sDefaultDir;// log 默认存储目录
     private static String sDir;       // log 存储目录
@@ -137,6 +137,18 @@ public final class AppLogUtils {
     }
 
     public static Config getConfig() {
+        if(CONFIG ==null){
+            synchronized (AppLogUtils.class){
+                if(CONFIG==null){
+                    try {
+                        CONFIG=new Config();
+                    }catch (Exception e){
+
+                    }
+
+                }
+            }
+        }
         return CONFIG;
     }