diff --git a/chart.py b/chart.py
index 150b74d..4e6ab58 100644
--- a/chart.py
+++ b/chart.py
@@ -224,9 +224,18 @@ class QuantChart:
 
         histogram = macd_chart.create_histogram(name=macd_name)
         hist_data = df[["time", macd_name]].copy()
-        hist_data["color"] = hist_data[macd_name].apply(
-            lambda x: "#00FF00" if x < 0 else "#ff0000"  # 绿色 : 红色
-        )
+        hist_data['prev_value'] = hist_data[macd_name].shift(1)  
+        # 设置颜色逻辑  
+        def get_histogram_color(row):
+            current, prev = row[macd_name], row['prev_value']
+            is_hollow = (current >= 0 and current < prev) or (current < 0 and current > prev)
+            if current >= 0:
+                return "rgba(255, 0, 0, 0.3)" if is_hollow else "#ff0000"
+            else:
+                return "rgba(0, 255, 0, 0.3)" if is_hollow else "#00FF00"
+        hist_data["color"] = hist_data.apply(get_histogram_color, axis=1)  
+        hist_data = hist_data.drop('prev_value', axis=1)  
+
         histogram.set(hist_data)
 
         macd_line = macd_chart.create_line(