diff --git a/data/default_fireunits.json b/data/default_fireunits.json
index ddbf0cc..abeba18 100644
--- a/data/default_fireunits.json
+++ b/data/default_fireunits.json
@@ -49,7 +49,7 @@
     "Name": "标准空基火力单元",
     "PlatformType": 0,
     "GunCount": 1,
-    "ChannelsPerGun": 4,
+    "ChannelsPerGun": 8,
     "ChannelInterval": 1.0,
     "Cooldown": 5.0,
     "AmmoChangeTime": 30.0,
diff --git a/src/CounterDrone.Core/DefaultFireUnits.cs b/src/CounterDrone.Core/DefaultFireUnits.cs
index cc9cdbf..2bf2147 100644
--- a/src/CounterDrone.Core/DefaultFireUnits.cs
+++ b/src/CounterDrone.Core/DefaultFireUnits.cs
@@ -67,7 +67,7 @@ namespace CounterDrone.Core
                     Name = "标准空基火力单元",
                     PlatformType = 0,
                     GunCount = 1,
-                    ChannelsPerGun = 4,
+                    ChannelsPerGun = 8,
                     ChannelInterval = 1.0,
                     Cooldown = 5.0,
                     AmmoChangeTime = 30.0,