chore: tweak commands

README.md

@@ -98,7 +98,7 @@ Available Commands:
   contest                 Generate contest questions
   cache                   Manage local questions cache
   config                  Show configurations
-  open                    open one or multiple questions in browser
+  open                    Open one or multiple question pages in a browser
   help                    Help about any command
 
 Flags:

README_zh.md

@@ -98,7 +98,7 @@ Available Commands:
   contest                 Generate contest questions
   cache                   Manage local questions cache
   config                  Show configurations
-  open                    open one or multiple questions in browser
+  open                    Open one or multiple question pages in a browser
   help                    Help about any command
 
 Flags:

cmd/git.go

@@ -21,15 +21,12 @@ var gitCmd = &cobra.Command{
 }
 
 var gitPushCmd = &cobra.Command{
-	Use:   "push [qid]",
-	Short: "Add, commit and push your code to remote repository",
-	Args:  cobra.MaximumNArgs(1),
+	Use:   "push qid",
+	Short: "Add, commit and push your solution to remote repository",
+	Args:  cobra.ExactArgs(1),
 	RunE: func(cmd *cobra.Command, args []string) error {
 		c := leetcode.NewClient()
-		qid := "today"
-		if len(args) > 0 {
-			qid = args[0]
-		}
+		qid := args[0]
 		qs, err := leetcode.ParseQID(qid, c)
 		if err != nil {
 			return err

cmd/open.go

@@ -9,10 +9,10 @@ import (
 
 var openCmd = &cobra.Command{
 	Use:   "open qid",
-	Short: "open one or multiple questions in browser",
+	Short: "Open one or multiple question pages in a browser",
 	Example: `leetgo open today
 leetgo open 549
-leetgo open two-sum`,
+leetgo open w330/`,
 	Args: cobra.ExactArgs(1),
 	RunE: func(cmd *cobra.Command, args []string) error {
 		cred := leetcode.CredentialsFromConfig()