optimize

app/src/main/java/com/hanghui/senic/common/DeviceInitManager.java

@@ -47,7 +47,7 @@ public class DeviceInitManager {
      *
      */
     public void setAlreadyInitHardwareNumAddOne() {
-        this.alreadyInitHardwareNum ++;
+        this.alreadyInitHardwareNum = this.alreadyInitHardwareNum + 1;
     }