diff --git a/README.md b/README.md
index 6330d2b..24b71b1 100644
--- a/README.md
+++ b/README.md
@@ -775,7 +775,8 @@ Animator Controller 可以使用以下参数：
 - `SoundTagPlayChance`（可选）：字典类型，键为音效标签（不区分大小写），值为播放概率（0-100）
   - 概率值会被自动转换为 0-1 之间的浮点数（除以 100）
   - 当触发该标签的音效时，会根据配置的概率决定是否播放
-  - 如果未配置或概率为 0，则始终播放（默认行为）
+  - 如果未配置，则始终播放（默认行为）
+  - 如果概率为 0，则始终不播放
   - 如果概率小于 100，则有一定几率不播放该音效
 
 ### 注意事项
diff --git a/README_EN.md b/README_EN.md
index 2d63bdc..c39fcf2 100644
--- a/README_EN.md
+++ b/README_EN.md
@@ -775,7 +775,8 @@ In `ModelInfo` within `bundleinfo.json`, you can configure playback probability
 - `SoundTagPlayChance` (optional): Dictionary type, where keys are sound tags (case-insensitive) and values are playback probabilities (0-100)
   - Probability values are automatically converted to floats between 0-1 (divided by 100)
   - When a sound with this tag is triggered, whether it plays is determined by the configured probability
-  - If not configured or probability is 0, always plays (default behavior)
+  - If not configured, always plays (default behavior)
+  - If probability is 0, never plays
   - If probability is less than 100, there's a chance the sound won't play
 
 ### Notes