diff --git a/.DS_Store b/.DS_Store
index 7a1612e..ff8aab1 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/.gitignore b/.gitignore
index 68bc17f..0d95733 100644
--- a/.gitignore
+++ b/.gitignore
@@ -158,3 +158,5 @@ cython_debug/
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
+.DS_Store
+.DS_Store
diff --git a/web/app.py b/web/app.py
index f57496b..b13ba71 100644
--- a/web/app.py
+++ b/web/app.py
@@ -325,10 +325,10 @@ def add_indicators(df):
 
 def calculate_macd(df):
     """计算MACD指标"""
-    exp1 = df['close'].ewm(span=24, adjust=False).mean()
-    exp2 = df['close'].ewm(span=52, adjust=False).mean()
+    exp1 = df['close'].ewm(span=12, adjust=False).mean()
+    exp2 = df['close'].ewm(span=26, adjust=False).mean()
     macd = exp1 - exp2
-    signal = macd.ewm(span=18, adjust=False).mean()
+    signal = macd.ewm(span=9, adjust=False).mean()
     histogram = macd - signal
     
     return {