diff --git a/libs/twitch-bot/index.js b/libs/twitch-bot/index.js
index 3f5f07f..7b4ea69 100644
--- a/libs/twitch-bot/index.js
+++ b/libs/twitch-bot/index.js
@@ -9,6 +9,7 @@ class WS {
   constructor () {
     /** @type {WebSocket} */
     this.ws = null
+    this.join = []
   }
 
   runBot () {
@@ -64,20 +65,32 @@ class WS {
     })
 
     // release pool connection
-    await db.replace()
+    await db.release()
 
+    this.joinChannel = []
     if (result !== null && result.rowCount > 0) {
       for (let row of result.rows) {
         if ('name' in row) {
           this.ws.send('JOIN #' + row.name)
+          this.join.push(row.name)
         }
       }
     }
   }
 
+  sendMsg (channel = null, message = null) {
+    if (this.ws === null || !('send' in this.ws) || typeof this.ws.send !== 'function') return null
+    if (channel === null || typeof channel !== 'string' || channel.trim().length === 0) return null
+    if (message === null || typeof message !== 'string' || message.trim().length === 0) return null
+    if (this.join.indexOf(channel) === -1) return null
+    this.ws.send(`PRIVMSG #${channel} :${message}`)
+  }
+
   joinChannel (channel = null) {
+    if (this.ws === null || !('send' in this.ws) || typeof this.ws.send !== 'function') return null
     if (channel === null || typeof channel !== 'string' || channel.trim().length === 0) return null
     this.ws.send(`JOIN #${channel.trim()}`)
+    this.join.push(channel.trim())
   }
 }
 
diff --git a/libs/twitch-bot/parser.js b/libs/twitch-bot/parser.js
index c885362..f772083 100644
--- a/libs/twitch-bot/parser.js
+++ b/libs/twitch-bot/parser.js
@@ -31,14 +31,6 @@ const msgSplit = async function (ws, msg) {
   }
 }
 
-const sendMsg = async (ws, channel = null, msg = null) => {
-  if (!ws || !('send' in ws) || typeof ws.send !== 'function') return null
-  if (channel === null || typeof channel !== 'string' || channel.trim().length === 0) return null
-  if (msg === null || typeof msg !== 'string' || msg.trim().length === 0) return null
-  ws.send(`PRIVMSG #${channel} :${msg}`)
-}
-
 module.exports = {
-  msgSplit,
-  sendMsg
+  msgSplit
 }