readme changes

@@ -6,15 +6,15 @@ sdk with optek link,Initial versions include GAME, Wireless Subwoofer, and Class
 #### Software Architecture
 1. OS:freertos
 2. tasks:
-    taskStream_Rcv:recieve stream processing for spdif source
-    taskDec:deocde and dsp processing
-    task_bt_controller:controller stack of bt processing
-    taskBtHCI:host stack of bt processing
-    task_usbotg:usb stack processing
-    taskUi:key detection and Special event processing
-    taskKeyFunc:Application layer processing
-    taskHdd:file system processing
-    taskIdle:reset watchdog processing
+    1. taskStream_Rcv:      recieve stream processing for spdif source
+    2. taskDec:             deocde and dsp processing
+    3. task_bt_controller:  controller stack of bt processing
+    4. taskBtHCI:           host stack of bt processing
+    5. task_usbotg:         usb stack processing
+    6. taskUi:              key detection and Special event processing
+    7. taskKeyFunc:         Application layer processing
+    8. taskHdd:             file system processing
+    9. taskIdle:            reset watchdog processing
 
 #### Installation