diff --git a/tools/wave-comtrade/src/main/java/com/njcn/gather/tools/comtrade/comparewave/core/algorithm/WaveformAligner.java b/tools/wave-comtrade/src/main/java/com/njcn/gather/tools/comtrade/comparewave/core/algorithm/WaveformAligner.java
index 81f0dee1..c0bf5977 100644
--- a/tools/wave-comtrade/src/main/java/com/njcn/gather/tools/comtrade/comparewave/core/algorithm/WaveformAligner.java
+++ b/tools/wave-comtrade/src/main/java/com/njcn/gather/tools/comtrade/comparewave/core/algorithm/WaveformAligner.java
@@ -302,8 +302,8 @@ public class WaveformAligner {
             int maxWindows = Math.min(availableWindows1, availableWindows2);
 
             // 限制最大窗口数为100（对应C代码中的MAX_DATA_NUM常量）
-            if (maxWindows > 100) {
-                maxWindows = 100;
+            if (maxWindows > 50) {
+                maxWindows = 50;
             }
 
             result.setCalNum(maxWindows);