diff --git a/documentation/en/join-testnet.md b/documentation/en/join-testnet.md
index 23613e469..ae97db49f 100644
--- a/documentation/en/join-testnet.md
+++ b/documentation/en/join-testnet.md
@@ -10,6 +10,14 @@ If you have installed older versions, you may need to clear existing chain data,
 rm -rf ~/.lotus ~/.lotusstorage
 ```
 
+## Note: Using the Lotus Node from China
+
+If you are trying to use `lotus` from China. You should set this **environment variable** on your machine:
+
+```sh
+IPFS_GATEWAY="https://proof-parameters.s3.cn-south-1.jdcloud-oss.com/ipfs/"
+```
+
 ## Get started
 
 Start the **daemon** using the default configuration in `./build`:
diff --git a/documentation/en/mining-lotus-seal-worker.md b/documentation/en/mining-lotus-seal-worker.md
index 76838574f..d2ea9197b 100644
--- a/documentation/en/mining-lotus-seal-worker.md
+++ b/documentation/en/mining-lotus-seal-worker.md
@@ -2,6 +2,14 @@
 
 The **Lotus Seal Worker** is an extra process that can offload heavy processing tasks from your **Lotus Storage Miner**. It can be run on the same machine as your `lotus-storage-miner`, or on another machine communicating over a fast network.
 
+## Note: Using the Lotus Seal Worker from China
+
+If you are trying to use `lotus-seal-worker` from China. You should set this **environment variable** on your machine:
+
+```sh
+IPFS_GATEWAY="https://proof-parameters.s3.cn-south-1.jdcloud-oss.com/ipfs/"
+```
+
 ## Get Started
 
 Make sure that the `lotus-seal-worker` is installed by running:
diff --git a/documentation/en/mining.md b/documentation/en/mining.md
index 3bdee87a6..41c998959 100644
--- a/documentation/en/mining.md
+++ b/documentation/en/mining.md
@@ -4,13 +4,12 @@ Here are instructions to learn how to perform storage mining. For hardware speci
 
 It is useful to [join the Testnet](https://docs.lotu.sh/en+join-testnet) prior to attempting storage mining for the first time.
 
-## Note: Filecoin Proof Parameters
+## Note: Using the Lotus Storage Miner from China
 
-If you are trying to download the **Filecoin Proof Parameters** from within China, you can download them from [JDCloud CDN](https://s3.cn-south-1.jdcloud-oss.com/proof-parameters/filecoin-proof-parameters-v20-testnet.tar.gz). Once you do you will need to extract them to:
+If you are trying to use `lotus-storage-miner` from China. You should set this **environment variable** on your machine.
 
 ```sh
-# put the .param and .vk files in the directory below
-/var/tmp/filecoin-proof-parameters
+IPFS_GATEWAY="https://proof-parameters.s3.cn-south-1.jdcloud-oss.com/ipfs/"
 ```
 
 ## Get started