diff --git a/servo/src/main/java/com/yvan/workbench/controller/DeviceManager.java b/servo/src/main/java/com/yvan/workbench/controller/DeviceManager.java
new file mode 100644
index 0000000..34b57a2
--- /dev/null
+++ b/servo/src/main/java/com/yvan/workbench/controller/DeviceManager.java
@@ -0,0 +1,82 @@
+package com.yvan.workbench.controller;
+
+import com.galaxis.rcs.common.entity.LccBasExecutor;
+import com.galaxis.rcs.common.entity.LccBasLocation;
+import com.galaxis.rcs.common.entity.LccInvLedger;
+import com.querydsl.sql.SQLQuery;
+import com.yvan.workbench.model.request.QueryExecutorReq;
+import com.yvan.workbench.model.request.QueryInvLedgerReq;
+import com.yvan.workbench.model.request.QueryInvLpnReq;
+import com.yvan.workbench.model.request.QueryLocationReq;
+import org.apache.commons.lang3.StringUtils;
+import org.clever.core.model.request.QueryByPage;
+import org.clever.core.model.request.page.Page;
+import org.clever.data.jdbc.DaoFactory;
+import org.clever.data.jdbc.QueryDSL;
+import org.clever.data.jdbc.querydsl.utils.QueryDslUtils;
+
+import java.util.LinkedHashMap;
+import java.util.List;
+
+import static com.galaxis.rcs.common.query.QLccBasContainer.lccBasContainer;
+import static com.galaxis.rcs.common.query.QLccBasExecutor.lccBasExecutor;
+import static com.galaxis.rcs.common.query.QLccBasLocation.lccBasLocation;
+import static com.galaxis.rcs.common.query.QLccInvLedger.lccInvLedger;
+import static com.galaxis.rcs.common.query.QLccInvLpn.lccInvLpn;
+
+/**
+ * 作者：lizw <br/>
+ * 创建时间：2025/07/03 14:33 <br/>
+ */
+public class DeviceManager {
+    private static final QueryDSL QUERY_DSL = DaoFactory.getQueryDSL();
+
+    public static List<LccBasLocation> queryLocation(QueryLocationReq req) {
+        SQLQuery<LccBasLocation> query = QUERY_DSL.selectFrom(lccBasLocation).orderBy(lccBasLocation.locCode.asc());
+        if (StringUtils.isNotBlank(req.getLocCode())) {
+            query.where(lccBasLocation.locCode.eq(req.getLocCode().trim()));
+        }
+        return query.fetch();
+    }
+
+    public static List<LccBasExecutor> queryExecutor(QueryExecutorReq req) {
+        SQLQuery<LccBasExecutor> query = QUERY_DSL.selectFrom(lccBasExecutor).orderBy(lccBasExecutor.executorId.asc());
+        if (StringUtils.isNotBlank(req.getVirtualFloorCode())) {
+            query.where(lccBasExecutor.executorId.eq(req.getVirtualFloorCode().trim()));
+        }
+        if (req.getIsActive() != null) {
+            query.where(lccBasExecutor.isActive.eq(req.getIsActive()));
+        }
+        return query.fetch();
+    }
+
+    public static Page<LinkedHashMap<String, Object>> queryInvLpn(QueryInvLpnReq req) {
+        SQLQuery<LinkedHashMap<String, Object>> query = QUERY_DSL.select(QueryDslUtils.linkedMap(lccInvLpn, lccBasLocation, lccBasContainer))
+                .from(lccInvLpn)
+                .innerJoin(lccBasLocation).on(
+                        lccInvLpn.locCode.eq(lccBasLocation.locCode).and(
+                                lccBasLocation.envId.eq(lccBasLocation.envId)
+                        )
+                )
+                .innerJoin(lccBasContainer).on(
+                        lccInvLpn.lpn.eq(lccInvLpn.lpn).and(
+                                lccBasContainer.envId.eq(lccInvLpn.envId)
+                        )
+                ).orderBy(lccInvLpn.lpn.asc());
+        if (StringUtils.isNotBlank(req.getLpn())) {
+            query.where(lccInvLpn.lpn.eq(req.getLpn().trim()));
+        }
+        if (StringUtils.isNotBlank(req.getLocCode())) {
+            query.where(lccInvLpn.locCode.eq(req.getLocCode().trim()));
+        }
+        return QueryDslUtils.queryByPage(query, QueryByPage.getCurrent());
+    }
+
+    public static Page<LccInvLedger> queryInvLedger(QueryInvLedgerReq req) {
+        SQLQuery<LccInvLedger> query = QUERY_DSL.selectFrom(lccInvLedger).orderBy(lccInvLedger.ledgerId.asc());
+        if (StringUtils.isNotBlank(req.getLpn())) {
+            query.where(lccInvLedger.lpn.eq(req.getLpn().trim()));
+        }
+        return QueryDslUtils.queryByPage(query, QueryByPage.getCurrent());
+    }
+}
diff --git a/servo/src/main/java/com/yvan/workbench/model/request/QueryExecutorReq.java b/servo/src/main/java/com/yvan/workbench/model/request/QueryExecutorReq.java
new file mode 100644
index 0000000..1851a15
--- /dev/null
+++ b/servo/src/main/java/com/yvan/workbench/model/request/QueryExecutorReq.java
@@ -0,0 +1,15 @@
+package com.yvan.workbench.model.request;
+
+import lombok.Data;
+
+/**
+ * 作者：lizw <br/>
+ * 创建时间：2025/07/03 14:43 <br/>
+ */
+@Data
+public class QueryExecutorReq {
+    /** 仿真车所在楼层 */
+    private String virtualFloorCode;
+    /** 是否激活 */
+    private Boolean isActive;
+}
diff --git a/servo/src/main/java/com/yvan/workbench/model/request/QueryInvLedgerReq.java b/servo/src/main/java/com/yvan/workbench/model/request/QueryInvLedgerReq.java
new file mode 100644
index 0000000..0375489
--- /dev/null
+++ b/servo/src/main/java/com/yvan/workbench/model/request/QueryInvLedgerReq.java
@@ -0,0 +1,13 @@
+package com.yvan.workbench.model.request;
+
+import lombok.Data;
+
+/**
+ * 作者：lizw <br/>
+ * 创建时间：2025/07/03 14:58 <br/>
+ */
+@Data
+public class QueryInvLedgerReq {
+    /** 托盘条码 */
+    private String lpn;
+}
diff --git a/servo/src/main/java/com/yvan/workbench/model/request/QueryInvLpnReq.java b/servo/src/main/java/com/yvan/workbench/model/request/QueryInvLpnReq.java
new file mode 100644
index 0000000..74f623e
--- /dev/null
+++ b/servo/src/main/java/com/yvan/workbench/model/request/QueryInvLpnReq.java
@@ -0,0 +1,15 @@
+package com.yvan.workbench.model.request;
+
+import lombok.Data;
+
+/**
+ * 作者：lizw <br/>
+ * 创建时间：2025/07/03 14:48 <br/>
+ */
+@Data
+public class QueryInvLpnReq {
+    /** 托盘条码 */
+    private String lpn;
+    /** 库存位置 */
+    private String locCode;
+}
diff --git a/servo/src/main/java/com/yvan/workbench/model/request/QueryLocationReq.java b/servo/src/main/java/com/yvan/workbench/model/request/QueryLocationReq.java
new file mode 100644
index 0000000..53c86f5
--- /dev/null
+++ b/servo/src/main/java/com/yvan/workbench/model/request/QueryLocationReq.java
@@ -0,0 +1,13 @@
+package com.yvan.workbench.model.request;
+
+import lombok.Data;
+
+/**
+ * 作者：lizw <br/>
+ * 创建时间：2025/07/03 14:38 <br/>
+ */
+@Data
+public class QueryLocationReq {
+    /** 位置编码 */
+    private String locCode;
+}