diff --git a/src/assets/plugins/codemirror/addon/hint/anyword-hint.js b/src/assets/plugins/codemirror/addon/hint/anyword-hint.js
index d27a9ec..df3a97e 100644
--- a/src/assets/plugins/codemirror/addon/hint/anyword-hint.js
+++ b/src/assets/plugins/codemirror/addon/hint/anyword-hint.js
@@ -27,7 +27,9 @@
       var line = cur.line, endLine = Math.min(Math.max(line + dir * range, editor.firstLine()), editor.lastLine()) + dir;
       for (; line != endLine; line += dir) {
         var text = editor.getLine(line), m;
-        while (m = re.exec(text)) {
+          while (m = re.exec(text)) {
+          // fix
+          if (!curWord) continue;;
           if (line == cur.line && m[0] === curWord) continue;
           if ((!curWord || m[0].lastIndexOf(curWord, 0) == 0) && !Object.prototype.hasOwnProperty.call(seen, m[0])) {
             seen[m[0]] = true;
diff --git a/src/assets/plugins/codemirror/addon/hint/javascript-hint.js b/src/assets/plugins/codemirror/addon/hint/javascript-hint.js
index 7f78e66..2c927a0 100644
--- a/src/assets/plugins/codemirror/addon/hint/javascript-hint.js
+++ b/src/assets/plugins/codemirror/addon/hint/javascript-hint.js
@@ -67,8 +67,8 @@
         })
       }
       // add specialVars
-      var specialVars = localStorage['specialVars'].split(',')
-      specialVars.forEach(s => {
+      var specialVars = localStorage['specialVars']
+      if(specialVars) specialVars.split(',').forEach(s => {
         if (s.toUpperCase().slice(2, token.string.length + 2) == token.string.toUpperCase()) hints.push(s)
       })
     }
@@ -123,7 +123,8 @@
   
   // builtInFns and builtInObjs
   var builtInFns = ["Infinity", "NaN", "undefined", "globalThis", "eval", "isFinite", "isNaN", "parseFloat", "parseInt", "decodeURI", "decodeURIComponent",
-      "encodeURI", "encodeURIComponent", "escape", "unescape", "RegExp", "Promise", "Generator", "GeneratorFunction", "AsyncFunction", "arguments", "require"]
+      "encodeURI", "encodeURIComponent", "escape", "unescape", "RegExp", "Promise", "Generator", "GeneratorFunction", "AsyncFunction", "arguments", "require",
+  "console.log", "console.error"]
   var builtInObjs = {
     Object: Object,
     Function: Function,
@@ -140,7 +141,6 @@
     JSON: JSON,
     String: String,
     Array: Array,
-    console: { log: () => { }, error: () => { }}
   }
     
   function forAllProps(obj, callback) {
@@ -162,7 +162,7 @@
     function maybeAdd(str) {
       // fix 2
       if (str.lastIndexOf(start, 0) == 0 && !arrayContains(found, str)) { 
-        if(token.string != str) found.push(str);
+        found.push(str);
       }  
     }
     function gatherCompletions(obj) {
diff --git a/src/assets/plugins/codemirror/addon/hint/show-hint.js b/src/assets/plugins/codemirror/addon/hint/show-hint.js
index 513f9eb..5760f8a 100644
--- a/src/assets/plugins/codemirror/addon/hint/show-hint.js
+++ b/src/assets/plugins/codemirror/addon/hint/show-hint.js
@@ -291,7 +291,7 @@
       menuSize: function() { return widget.screenAmount(); },
       length: completions.length,
       close: function() { completion.close(); },
-      pick: function() { widget.pick(); },
+      pick: function() { window.editor.off("change", showHint); widget.pick(); window.editor.on("change", showHint);},
       data: data
     }));
 
@@ -320,7 +320,11 @@
       var t = getHintElement(hints, e.target || e.srcElement);
       if (t && t.hintId != null) {
         widget.changeActive(t.hintId);
-        if (completion.options.completeOnSingleClick) widget.pick();
+          if (completion.options.completeOnSingleClick) {
+            window.editor.off("change", showHint);
+            widget.pick();
+            window.editor.on("change", showHint);
+          }
       }
     });
 
@@ -450,7 +454,7 @@
     for (var i = 0; i < options.words.length; i++) {
       var word = options.words[i];
       if (word.slice(0, tokenstring.length) == tokenstring)
-      if(word != tokenstring && !found.includes(word)) found.push(word);
+      if(!found.includes(word)) found.push(word);
     }
     if (!term) {
       if (!tokenstring) return { list: {} }
@@ -463,8 +467,8 @@
         })
       }
       // add specialVars
-      var specialVars = localStorage['specialVars'].split(',')
-      specialVars.forEach(s => {
+      var specialVars = localStorage['specialVars']
+      if(specialVars) specialVars.split(',').forEach(s => {
         if (s.toUpperCase().slice(2, tokenstring.length + 2) == tokenstring.toUpperCase()) found.push(s)
       })
     }