diff --git a/frameworks/i18n/src/number_format_impl.cpp b/frameworks/i18n/src/number_format_impl.cpp
index cfaa927aff0a09916fb3bd92389158640001548b..0c13a0cca8c8879b28b08a47a7d2ff935a56e21c 100644
--- a/frameworks/i18n/src/number_format_impl.cpp
+++ b/frameworks/i18n/src/number_format_impl.cpp
@@ -129,13 +129,9 @@ std::string NumberFormatImpl::InnerFormat(double num, bool hasDec, bool isShowGr
     }
     char buff[NUMBER_MAX] = { 0 };
     bool isPercentDefault = isPercent && (defaultData->style.minDecimalLength < 0);
-    int len;
     double adjustNum = (num < 0) ? (-1 * num) : num;
-    if (isPercentDefault) {
-        len = static_cast<int>(sprintf_s(buff, NUMBER_MAX, "%.f", adjustNum));
-    } else {
-        len = static_cast<int>(sprintf_s(buff, NUMBER_MAX, defaultData->style.numFormat, adjustNum));
-    }
+    int len = isPercentDefault ? static_cast<int>(sprintf_s(buff, NUMBER_MAX, "%.f", adjustNum)) :
+        static_cast<int>(sprintf_s(buff, NUMBER_MAX, defaultData->style.numFormat, adjustNum));
     // convert decimal to char and format
     if (len < 0) {
         status = IERROR;
@@ -143,8 +139,7 @@ std::string NumberFormatImpl::InnerFormat(double num, bool hasDec, bool isShowGr
     }
     char *decimalNum = strchr(buff, NumberData::NUMBER_DECIMAL);
     int decLen = (decimalNum == nullptr) ? 0 : strlen(decimalNum);
-    int adjustIntLength = len - decLen;
-    int lastLen = isShowGroup ? (len + CountGroupNum(adjustIntLength, defaultData->style.isTwoGroup)) : len;
+    int lastLen = isShowGroup ? (len + CountGroupNum(len - decLen, defaultData->style.isTwoGroup)) : len;
     char *result = reinterpret_cast<char *>(I18nMalloc(lastLen + 1));
     if (result == nullptr) {
         status = IERROR;