diff --git a/evcs-modules/evcs-core/src/main/java/com/xhpc/evcs/api/QueryStationsInfoController.java b/evcs-modules/evcs-core/src/main/java/com/xhpc/evcs/api/QueryStationsInfoController.java
index 14234d18..3f704693 100644
--- a/evcs-modules/evcs-core/src/main/java/com/xhpc/evcs/api/QueryStationsInfoController.java
+++ b/evcs-modules/evcs-core/src/main/java/com/xhpc/evcs/api/QueryStationsInfoController.java
@@ -292,8 +292,8 @@ public class QueryStationsInfoController {
             connectorInfo.setConnectorID(gunId);
             String connectorName = REDIS.getCacheMapValue("gun:".concat(gunId), "terminalName"); //todo set them in redis!
             connectorInfo.setConnectorName(connectorName == null ?
-                    Integer.parseInt(pileNo.substring(5, 10)) + "号桩 " + GUNNAMES[i] +
-                    "枪" : connectorName);
+                    Integer.parseInt(pileNo.substring(10, 14)) + "号桩 " + GUNNAMES[i] +
+                            "枪" : connectorName);
             Integer connectorType = (Integer) cachePile.get("connectorType");
             connectorInfo.setConnectorType(connectorType == null ? 4 : connectorType);
             Integer voltageUpperLimits = (Integer) cachePile.get("voltageUpperLimits");