diff --git a/src/contractService.js b/src/contractService.js
index bbe86d1..dbb84d0 100644
--- a/src/contractService.js
+++ b/src/contractService.js
@@ -130,7 +130,7 @@ async function removeWorkDir(workDir) {
 }
 
 // Word 會把佔位符拆成多個 run，用這個 pattern 允許相鄰字元之間出現 run 邊界 XML
-const RUN_BOUNDARY = '(?:</w:t></w:r>(?:<w:bookmarkStart[^/]*/?>|<w:bookmarkEnd[^/]*/?>)*<w:r>(?:<w:rPr>[\\s\\S]*?</w:rPr>)?<w:t[^>]*>)?';
+const RUN_BOUNDARY = '(?:</w:t></w:r[^>]*>(?:<w:bookmarkStart[^/]*/?>|<w:bookmarkEnd[^/]*/?>)*<w:r[^>]*>(?:<w:rPr>[\\s\\S]*?</w:rPr>)?<w:t[^>]*>)?';
 
 function buildPlaceholderPattern(placeholder) {
   const chars = [...placeholder].map((c) => c.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'));