diff --git a/app.db b/app.db
index 6a0fe34..ce753d5 100644
Binary files a/app.db and b/app.db differ
diff --git a/src/main/java/com/iflytop/digester/controller/HeatSlotController.java b/src/main/java/com/iflytop/digester/controller/HeatSlotController.java
index fe8cec2..18436e5 100644
--- a/src/main/java/com/iflytop/digester/controller/HeatSlotController.java
+++ b/src/main/java/com/iflytop/digester/controller/HeatSlotController.java
@@ -5,6 +5,7 @@ import com.iflytop.digester.underframework.controller.UfApiResponse;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.ResponseBody;
 import java.util.Map;
 @Controller
@@ -18,4 +19,29 @@ public class HeatSlotController extends UfApiControllerBase {
         var heatSlots = this.device.heatingTurntable.getSlots();
         return this.success(Map.of("slots", heatSlots));
     }
+
+    @ResponseBody
+    @PostMapping("/api/heat-slot/alloc")
+    public UfApiResponse alloc(@RequestBody Map<String,Object> params) {
+        String tubeRackNo = (String)params.get("tubeRackNo");
+        try {
+            var slot = this.device.heatingTurntable.allocSlot(tubeRackNo);
+            return this.success(slot);
+        } catch ( Exception e ) {
+            return this.error(e.getMessage());
+        }
+    }
+
+    @ResponseBody
+    @PostMapping("/api/heat-slot/release")
+    public UfApiResponse release(@RequestBody Map<String,Object> params) {
+        Integer slotIndex = (Integer)params.get("slotIndex");
+        try {
+            var slot = this.device.heatingTurntable.getSlotByIndex(slotIndex);
+            slot.setTubeRackNo(null);
+            return this.success();
+        } catch ( Exception e ) {
+            return this.error(e.getMessage());
+        }
+    }
 }
diff --git a/src/main/java/com/iflytop/digester/model/MdbDigestionSolution.java b/src/main/java/com/iflytop/digester/model/MdbDigestionSolution.java
index ece80a3..aeefdac 100644
--- a/src/main/java/com/iflytop/digester/model/MdbDigestionSolution.java
+++ b/src/main/java/com/iflytop/digester/model/MdbDigestionSolution.java
@@ -10,6 +10,9 @@ import java.util.ArrayList;
 import java.util.List;
 public class MdbDigestionSolution extends UfActiveRecord {
     @UfActiveRecordField
+    public String oreCatName;
+
+    @UfActiveRecordField
     public String name;
 
     @UfActiveRecordField
diff --git a/web b/web
index 53712a5..e2b8752 160000
--- a/web
+++ b/web
@@ -1 +1 @@
-Subproject commit 53712a58ceb4f19c7dba9204587134b88d86e3e5
+Subproject commit e2b87526304961b2bac163b58e372fd54ebffdb3