diff --git a/lib/converter/converter.js b/lib/converter/converter.js
index fed6095d..c81d4723 100644
--- a/lib/converter/converter.js
+++ b/lib/converter/converter.js
@@ -1552,6 +1552,8 @@ const convertV8List = (v8list, options) => {
             rangeCache: new Map(),
             diffCache: new Map(),
             // cacheHits: 0,
+            // textLength: [],
+
             // coverage info
             bytes: [],
             functions: [],
@@ -1580,6 +1582,11 @@ const convertV8List = (v8list, options) => {
 
     // stateList.forEach((st) => {
     //     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 1d68a30e..1907f94d 100644
--- a/lib/converter/find-original-range.js
+++ b/lib/converter/find-original-range.js
@@ -161,8 +161,16 @@ const getAlignPosition = (info, direction) => {
     const gp = info.generatedPos;
     const ot = info.originalText;
 
+
+    // < 50 338819
+    // < 80 359473
+    // < 100 362796
+    // < 500 366490
+    // info.state.textLength.push(gt.length);
+    // info.state.textLength.push(ot.length);
+
     // there is no need to align for long text
-    const maxLength = 500;
+    const maxLength = 100;
     if (gt.length > maxLength || ot.length > maxLength) {
         // console.log(gt.length, ot.length, gp);
         return;