diff --git a/build-tools/intToNumber.js b/build-tools/intToNumber.js
index 310be81d728c6ce95e91c9d654e8deeb8e11aa8f..13be0e770905633142514c1dd6a35a0507d184b2 100644
--- a/build-tools/intToNumber.js
+++ b/build-tools/intToNumber.js
@@ -338,7 +338,11 @@ function changeContent(tagDataList) {
   for (const data of tagDataList) {
     const before = jsDocContent.substring(0, data.pos);
     const after = jsDocContent.substring(data.end);
-    jsDocContent = before + ` ${data.convertedText}` + after;
+    if (jsDocContent.substring(data.pos, data.pos + 1) === ' ') {
+      jsDocContent = before + ` ${data.convertedText}` + after;
+    } else {
+      jsDocContent = before + `${data.convertedText}` + after;
+    }
   }
 }