diff --git a/README.md b/README.md
index 83afc95..6760b6e 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,22 @@
 # search-github
 
 Use Search-GithubIssues command to seach github issue based on resource provider or keywords in issue title.
+
+1. Get the command:
+```
+go install github.com/xiaxyi/Search-GithubIssues@latest
+```
+
+2. Example Usage:
+
+Please pass your github token via environment variable, for example `set GITHUB_TOKEN=xxx`
+
+- Search the issue based on Resource provider:
+`Search-GithubIssues ResourceProvider --repoOwner hashicorp --repoName terraform-provider-azurerm --startDate 2022-07-01 --endDate 2022-11-01 --resourceProvider "Microsoft.Web" --toCSV c:\\users\\xiaxyi\\desktop\\issues\\rp-web.csv --append "false"`, 
+``Search-GithubIssues ResourceProvider --repoOwner hashicorp --repoName terraform-provider-azurerm --startDate 2022-07-01 --endDate 2022-11-01 --resourceProvider "Microsoft.Web" --toCSV c:\\users\\xiaxyi\\desktop\\issues\\rp-eventhub.csv --append "false"``
+
+- Search the issue based on Time range:
+`Search-GithubIssues searchOnTimeRange --repoOwner hashicorp --repoName terraform-provider-azurerm --startDate 2022-07-01 --endDate 2022-11-01 --toCSV c:\\users\\xiaxyi\\desktop\\issues\\timerange.csv --append "false"`
+
+- search the issue based on keyWords:
+`Search-GithubIssues keyWords --repoOwner hashicorp --repoName terraform-provider-azurerm --startDate 2022-07-01 --endDate 2022-11-01 --keyWords "app service" "Microsoft.Web" --toCSV c:\\users\\xiaxyi\\desktop\\issues\\timerange.csv --append "false"`