diff --git a/lib/converter/converter.js b/lib/converter/converter.js
index 7fe92a37..3e6e4135 100644
--- a/lib/converter/converter.js
+++ b/lib/converter/converter.js
@@ -1555,8 +1555,7 @@ const convertV8List = (v8list, options) => {
             decodedMappings: [],
             rangeCache: new Map(),
             diffCache: new Map(),
-            // cacheHits: 0,
-            // textLength: [],
+
             // alignTextList: [],
 
             // coverage info
@@ -1587,19 +1586,7 @@ const convertV8List = (v8list, options) => {
     const dataFiles = EC.cyan(`${dataList.v8DataList.length} files`);
 
     // stateList.forEach((st, i) => {
-
-    // console.log('total', st.alignTextList.length);
-
-    // console.log('got op', st.alignTextList.filter((it) => typeof it.op === 'number').length);
-
     // Util.writeFileSync(`align-text-${i}.js`, `window.gridData = ${JSON.stringify(st.alignTextList, null, 4)}`);
-
-    //     console.log('diffCache', st.diffCache.size, 'cacheHits', st.cacheHits);
-    //     const textLength = st.textLength;
-    //     console.log('< 50', textLength.filter((v) => v < 50).length);
-    //     console.log('< 80', textLength.filter((v) => v < 80).length);
-    //     console.log('< 100', textLength.filter((v) => v < 100).length);
-    //     console.log('< 500', textLength.filter((v) => v < 500).length);
     // });
 
     Util.logTime(`  ┌ [convert] converted data list (${dataFiles})`, time_start_convert);
diff --git a/lib/converter/find-original-range.js b/lib/converter/find-original-range.js
index d7e11f42..fe8cd7ef 100644
--- a/lib/converter/find-original-range.js
+++ b/lib/converter/find-original-range.js
@@ -46,7 +46,6 @@ const alignText = (gt, ot, info) => {
     if (diffCache.has(gt)) {
         const subMap = diffCache.get(gt);
         if (subMap.has(ot)) {
-            // info.state.cacheHits += 1;
             return subMap.get(ot);
         }
     }
@@ -161,21 +160,7 @@ const getAlignPosition = (info, direction) => {
     const gp = info.generatedPos;
     const ot = info.originalText;
 
-    // left equal
-    // if (gt.slice(0, gp) === ot.slice(0, gp)) {
-    //     return {
-    //         pos: gp
-    //     };
-    // }
-
-    // < 50 338819
-    // < 80 359473
-    // < 100 362796
-    // < 500 366490
-    // info.state.textLength.push(gt.length);
-    // info.state.textLength.push(ot.length);
-
-    // const it = {
+    // const alignTextItem = {
     //     gt, ot, gp
     // };
     // info.state.alignTextList.push(it);
@@ -197,9 +182,6 @@ const getAlignPosition = (info, direction) => {
     // generatedText: '1;else',
     // generatedLeft: '1;'
 
-    // generatedText: '    var id = options.base ? item[0] + options.base : item[0];\r\n',
-    // originalText: '    var id = options.base ? item[0] + options.base : item[0];\n',
-
     // right matched
     // only for original first line text
 
@@ -208,7 +190,7 @@ const getAlignPosition = (info, direction) => {
     const item = list[gp];
     if (item && item.original) {
 
-        // it.op = item.original.index;
+        // alignTextItem.op = item.original.index;
 
         return {
             pos: item.original.index