diff --git a/src/core/utils/chinesePY.js b/src/core/utils/chinesePY.js
index b22cd94cb..392f108b4 100644
--- a/src/core/utils/chinesePY.js
+++ b/src/core/utils/chinesePY.js
@@ -425,6 +425,10 @@
     BI._.extend(BI, {
         makeFirstPY: function (str, options) {
             options = options || {};
+            // BI-119441 长字段搜索分叉后数量达百万级，这里控制下字段过长的话不进行多音字分叉
+            if (str.length > 100 && BI.isNull(options.ignoreMulti)) {
+                options.ignoreMulti = true;
+            }
             if (typeof (str) !== "string") {return "" + str;}
             var arrResult = []; // 保存中间结果的数组
             for (var i = 0, len = str.length; i < len; i++) {