diff --git a/shared/domain/battleField/guildActivity.ts b/shared/domain/battleField/guildActivity.ts
index 6eb98c3a0..2379b4cbc 100644
--- a/shared/domain/battleField/guildActivity.ts
+++ b/shared/domain/battleField/guildActivity.ts
@@ -539,7 +539,7 @@ export class WoodenHorse {
             case RACE_EVENT.TIANSHIDUNFU:
                 this.shieldTime = endTime; break;
             case RACE_EVENT.JIASU_1:
-                this.speed *= 1 + effect[0]; break;
+                this.speed *= Math.pow(1 + effect[0] / 100, count); break;
             case RACE_EVENT.JIASU_2:
                 this.speed += effect[0]; break;
             case RACE_EVENT.HUIFU_1: