diff --git a/native/jni/src/suggest/policyimpl/dictionary/structure/backward/v402/content/bigram_dict_content.cpp b/native/jni/src/suggest/policyimpl/dictionary/structure/backward/v402/content/bigram_dict_content.cpp
index 9e1adff70..15ac88319 100644
--- a/native/jni/src/suggest/policyimpl/dictionary/structure/backward/v402/content/bigram_dict_content.cpp
+++ b/native/jni/src/suggest/policyimpl/dictionary/structure/backward/v402/content/bigram_dict_content.cpp
@@ -65,6 +65,8 @@ const BigramEntry BigramDictContent::getBigramEntryAndAdvancePosition(
             (encodedTargetTerminalId == Ver4DictConstants::INVALID_BIGRAM_TARGET_TERMINAL_ID) ?
                     Ver4DictConstants::NOT_A_TERMINAL_ID : encodedTargetTerminalId;
     if (mHasHistoricalInfo) {
+        // Hack for better migration.
+        count += level;
         const HistoricalInfo historicalInfo(timestamp, level, count);
         return BigramEntry(hasNext, probability, &historicalInfo, targetTerminalId);
     } else {
diff --git a/native/jni/src/suggest/policyimpl/dictionary/structure/backward/v402/content/probability_dict_content.cpp b/native/jni/src/suggest/policyimpl/dictionary/structure/backward/v402/content/probability_dict_content.cpp
index ef6166ffd..61ef4aa42 100644
--- a/native/jni/src/suggest/policyimpl/dictionary/structure/backward/v402/content/probability_dict_content.cpp
+++ b/native/jni/src/suggest/policyimpl/dictionary/structure/backward/v402/content/probability_dict_content.cpp
@@ -50,7 +50,8 @@ const ProbabilityEntry ProbabilityDictContent::getProbabilityEntry(const int ter
                 Ver4DictConstants::WORD_LEVEL_FIELD_SIZE, &entryPos);
         const int count = buffer->readUintAndAdvancePosition(
                 Ver4DictConstants::WORD_COUNT_FIELD_SIZE, &entryPos);
-        const HistoricalInfo historicalInfo(timestamp, level, count);
+        // Hack for better migration.
+        const HistoricalInfo historicalInfo(timestamp, level, count + level);
         return ProbabilityEntry(flags, probability, &historicalInfo);
     } else {
         return ProbabilityEntry(flags, probability);