diff --git a/fc/js/nes-embed.js b/fc/js/nes-embed.js
index d9e9fc1..971e27e 100644
--- a/fc/js/nes-embed.js
+++ b/fc/js/nes-embed.js
@@ -122,7 +122,14 @@ window.vm = {
     },
     onCtrlDire: function(t, e) {
         this.onCtrlDire;
-        var i = Math.round((t + 180) / 45) % 8;
+        var i ;//= Math.round((t + 180) / 45) % 8;
+        var abst = Math.abs(t);
+        if((abst>=40&&abst<=50)||(abst>=130&&abst<=140)){
+            i =  Math.round((t + 180) / 45) % 8;
+        }
+        else{
+            i = Math.round((t + 180) / 90) % 4*2;
+        }
         this.oldDire != i && (e(i, t), this.oldDire = i)
     },
     simulateKeyPress: function(t, e) {