fix bug when processing projector data

plugins/pjlink/main.js

@@ -23,10 +23,12 @@ let password = false;
 
 function processPJLink(device, str, that) {
   const arr = str.split('%');
+  arr.shift();
   const d = device;
 
-  arr.forEach((p) => {
-    const split = arr[p].split('=');
+  arr.forEach((s) => {
+    console.log(s)
+    const split = s.split('=');
     const key = split[0];
     const value = split[1];