diff --git a/src/main/java/com/iflytop/handacid/app/core/state/ChannelState.java b/src/main/java/com/iflytop/handacid/app/core/state/ChannelState.java
index d3ba61a..4ed2fb9 100644
--- a/src/main/java/com/iflytop/handacid/app/core/state/ChannelState.java
+++ b/src/main/java/com/iflytop/handacid/app/core/state/ChannelState.java
@@ -3,6 +3,7 @@ package com.iflytop.handacid.app.core.state;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.iflytop.handacid.app.common.enums.ChannelCode;
 import com.iflytop.handacid.app.common.enums.ChannelStateCode;
+import com.iflytop.handacid.app.model.bo.ChannelSolution;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
 import lombok.RequiredArgsConstructor;
@@ -25,4 +26,7 @@ public class ChannelState {
     @Schema(description = "剩余容量（单位：mL）")
     private Double remainingVolume;
 
+    @Schema(description = "通道配置的溶液")
+    private ChannelSolution solution;
+
 }
diff --git a/src/main/java/com/iflytop/handacid/app/core/state/DeviceState.java b/src/main/java/com/iflytop/handacid/app/core/state/DeviceState.java
index c9a97ea..e78465e 100644
--- a/src/main/java/com/iflytop/handacid/app/core/state/DeviceState.java
+++ b/src/main/java/com/iflytop/handacid/app/core/state/DeviceState.java
@@ -14,9 +14,6 @@ import java.util.Map;
 @Data
 @Component
 public class DeviceState {
-    @Schema(description = "当前设备是否暂停")
-    private volatile boolean craftsPaused = false;
-
     @Schema(description = "通道状态")
     private final Map<Integer, ChannelState> channelStateMap = new HashMap<>();
 
@@ -32,7 +29,6 @@ public class DeviceState {
     public JSONObject toJSON() {
         JSONObject json = new JSONObject();
         json.putOnce("channelState", new ArrayList<>(channelStateMap.values()));
-        json.putOnce("craftsPaused", craftsPaused);
         json.putOnce("virtual", virtual);
         json.putOnce("emergencyStop", emergencyStop);
         json.putOnce("currentUser", currentUser);
diff --git a/src/main/java/com/iflytop/handacid/app/model/bo/ChannelSolution.java b/src/main/java/com/iflytop/handacid/app/model/bo/ChannelSolution.java
new file mode 100644
index 0000000..fe74982
--- /dev/null
+++ b/src/main/java/com/iflytop/handacid/app/model/bo/ChannelSolution.java
@@ -0,0 +1,16 @@
+package com.iflytop.handacid.app.model.bo;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+@Data
+public class ChannelSolution {
+
+    private Long id;
+
+    @Schema(description = "溶液名称")
+    private String name;
+
+    @Schema(description = "溶液浓度")
+    private String concentration;
+}