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...	...	@@ -274,8 +274,9 @@
274	274
275	275	* (% style="color:blue" %)**S31B-NB-GE**(%%): This verson doesn't have pre-configure Datacake connection. User need to enter the AT Commands to connect to Datacake. See below for instruction.
276	276
277		-=== 3.4.1 Create device ===
	277	+=== 3.4.1 For device Already has template ===
278	278
	279	+==== 3.4.1.1 Create Device ====
279	279
280	280	(% style="color:blue" %)**Add Device**(%%) in DataCake.
281	281
...	...	@@ -299,8 +299,9 @@
299	299	[[image:image-20230808163049-6.png||height="544" width="926"]]
300	300
301	301
302		-=== 3.4.2 Scan QR code to obtain data ===
	303	+=== 3.4.2 For Device already registered in DataCake before shipped ===
303	303
	305	+**Scan QR Code to get the device info.**
304	304
305	305	Users can use their phones or computers to scan QR codes to obtain device data information.
306	306
...	...	@@ -309,9 +309,14 @@
309	309	[[image:image-20230808170548-9.png]]
310	310
311	311
312		-=== 3.4.2 AT command for connecting to DataCake ===
	314	+=== 3.4.3 Manual Add Decoder in DataCake ( don't use the template in DataCake) ===
313	313
314	314
	317	+=== 3.4.4 For device have not configured to connect to DataCake ===
	318	+
	319	+(% class="lead" %)
	320	+Use AT command for connecting to DataCake
	321	+
315	315	(% style="color:blue" %)**AT+PRO=2,0**
316	316
317	317	(% style="color:blue" %)**AT+SERVADDR=67.207.76.90,4445**
...	...	@@ -427,7 +427,7 @@
427	427
428	428	(% style="color:blue" %)**Add a topic filter:**
429	429
430		-tb/mqtt-integration-tutorial/sensors~/~/temperature ~-~-> Temperature  **固定的? 对的。**
	437	+Consistent with the theme of the node setting.
431	431
432	432	You can also select an MQTT QoS level. We use MQTT QoS level 0 (At most once) by default;
433	433