How-to-Setup-Ali-IoT-By-Using-PM4.md

-1. Open the aliyun IoT website
+### 1. Open the aliyun IoT website
 
 [Open Link](https://iot.console.aliyun.com/prudcts)
 
-2. Create a product if you don't have any products
+### 2. Create a product if you don't have any products
 
 ![ali-product](uploads/ee8c458d4dd1759e9012216c116b30b4/ali-product.png)
 
-3. Add devices under the product
+### 3. Add devices under the product
 
 ![Screen_Shot_2020-02-12_at_11.01.58_AM](uploads/1b6375bba292e98d986b9d57158558a5/Screen_Shot_2020-02-12_at_11.01.58_AM.png)
 
-4. Now you have following `important` data which we will use them later
+### 4. Now you have following `important` data which we will use them later
 
 * ProductKey
 * DeviceName
@@ -22,14 +22,35 @@ they need to be fill in the PM4 mqtt settings as
 
 ![pm4-1](uploads/8b84a59abbc379b6b0d8cf390969aa8e/pm4-1.png)
 
-5. input any client id you want in the programming, for example "12345" in our example.
+### 5. input any client id you want in the programming
 
-6. please choose `Auto` for client id, PM4 will complete the Ali policy for the client id automatically
+for example "12345" in our case.
 
-7. please choose `Auto` for the username as well, PM4 will setup the required username by Ali policy
+### 6. please choose `Auto` for client id, PM4 will complete the Ali policy for the client id automatically
 
-8. the password will be genreated automacally by using `hmacsha1` by Ali policy
+### 7. please choose `Auto` for the username as well, PM4 will setup the required username by Ali policy
+
+### 8. the password will be genreated automacally by using `hmacsha1` by Ali policy
 
 OK. now you can be connected. Next topic we will focus on the Pub/Sub
 
-## How to use Pub/Sub topics
+# How to use Pub/Sub topics
+
+### 1. edit the product details in Ali Iot Website
+
+![ali-product-detail](uploads/482cbc01f018fba752875323314b9763/ali-product-detail.png)
+
+### 2. you can add customized topic by the naming rules of Ali
+
+### 3. now you can see the topics are in the device's topic details
+![Screen_Shot_2020-02-12_at_11.04.39_AM](uploads/75999cc0bc4b4cd1a6012ee2cdeffd83/Screen_Shot_2020-02-12_at_11.04.39_AM.png)
+
+### 4. in the pm4, add those topics need to sub/pub
+
+![pm4-text](uploads/a327c75435f82e0c82d1e2a2dc81e2a5/pm4-text.png)
+![pm4-text-settings](uploads/6b800305dad07354de06b8f4ab47d531/pm4-text-settings.png)
+
+### 5. users can write those listen and send macros to pub and sub the topics.
+
+![macro-recv](uploads/5834ce37530fe4d85390c15d07a4596f/macro-recv.png)
+![pm4-macro-send](uploads/366b6194f4fdd66bdf7524f6f0542b76/pm4-macro-send.png)
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