diff --git a/backend/src/main/java/com/yfd/platform/env/wt/service/impl/SdWtMonitorServiceImpl.java b/backend/src/main/java/com/yfd/platform/env/wt/service/impl/SdWtMonitorServiceImpl.java
index c4d43c1..324e338 100644
--- a/backend/src/main/java/com/yfd/platform/env/wt/service/impl/SdWtMonitorServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/env/wt/service/impl/SdWtMonitorServiceImpl.java
@@ -500,6 +500,7 @@ public class SdWtMonitorServiceImpl implements SdWtMonitorService {
         DataSourceLoadOptionsBase loadOptions = dataSourceRequest.toDevRequest();
         String mway = QgcQueryWrapperUtil.getFilterFieldValue(loadOptions, "mway");
         String sttpCode = QgcQueryWrapperUtil.getFilterFieldValue(loadOptions, "sttpCode");
+        String stcd = QgcQueryWrapperUtil.getFilterFieldValue(loadOptions, "stcd");
         String rstcd = QgcQueryWrapperUtil.getFilterFieldValue(loadOptions, "rstcd");
         String stnm = QgcQueryWrapperUtil.getFilterFieldValue(loadOptions, "stnm");
         String coenvwState = QgcQueryWrapperUtil.getFilterFieldValue(loadOptions, "coenvwState");
@@ -575,6 +576,14 @@ public class SdWtMonitorServiceImpl implements SdWtMonitorService {
                 sql.append("AND wt.RSTCD = #{map.rstcd} ");
             }
         }
+        if (stcd != null && !stcd.isBlank()) {
+            paramMap.put("stcd", stcd);
+            if (queryEngDirectly) {
+                sql.append("AND eng.STCD = #{map.stcd} ");
+            } else {
+                sql.append("AND wt.STCD = #{map.stcd} ");
+            }
+        }
         if (stnm != null && !stnm.isBlank()) {
             paramMap.put("stnm", "%" + stnm + "%");
             if (queryEngDirectly) {