diff --git a/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/server/RateModelTask.java b/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/server/RateModelTask.java
index dc5e7096..78162f8c 100644
--- a/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/server/RateModelTask.java
+++ b/xhpc-modules/xhpc-power-pile/src/main/java/com/xhpc/pp/server/RateModelTask.java
@@ -33,7 +33,7 @@ public class RateModelTask {
                     String pk = "pile:".concat(pileNo);
                     Long rateModelIdPile = REDIS.getCacheMapValue(pk, "rateModelId");
                     if (!rateModelIdStation.equals(rateModelIdPile)) {
-                        String gkPattern = ("gun:").concat(pk).concat("*");
+                        String gkPattern = ("gun:").concat(pileNo).concat("*");
                         Collection<String> gks = REDIS.keys(gkPattern);
                         boolean charging = false;
                         for (String gk : gks) {