diff --git a/src/cfg/GameEnv.ts b/src/cfg/GameEnv.ts
index 05b1c69..a1f1e45 100644
--- a/src/cfg/GameEnv.ts
+++ b/src/cfg/GameEnv.ts
@@ -125,13 +125,13 @@ export class GameEnv {
     this.robotRateExtra = data.get(BaseConst.ROBOT_RATE_EXTRA).value
   }
   public getCheatRate(val: number) {
-    if (val < this.robotLvlLow) {
+    if (val < this.robotRateMid) {
       return this.robotRateLow
-    } else if (val < this.robotLvlMid) {
+    } if (val < this.robotLvlHigh) {
       return this.robotRateMid
-    } else if (val < this.robotLvlHigh) {
+    } else if (val < this.robotLvlExtra) {
       return this.robotRateHigh
-    } else {
+    } else if (val >= this.robotRateExtra){
       return this.robotRateExtra
     }
   }