diff --git a/productionboard/src/main/java/com/productionboard/controller/AluminumLinerkController.java b/productionboard/src/main/java/com/productionboard/controller/AluminumLinerkController.java
index 22705f3..9343d9f 100644
--- a/productionboard/src/main/java/com/productionboard/controller/AluminumLinerkController.java
+++ b/productionboard/src/main/java/com/productionboard/controller/AluminumLinerkController.java
@@ -12,6 +12,7 @@ import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.ResponseBody;
 
+import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -29,6 +30,8 @@ public class AluminumLinerkController {
     @Autowired
     private IAluminumDeviceInfoService aluminumDeviceInfoService;
 
+    private SimpleDateFormat hourFormat = new SimpleDateFormat("HH");
+
     @GetMapping()
     public String index()
     {
@@ -65,6 +68,11 @@ public class AluminumLinerkController {
     @ResponseBody
     public String oeeStatistics() {
         List<AluminumOeeStatistics> oeeStatisticsList = aluminumDeviceInfoService.getOeeStatisticsList();
+        if(oeeStatisticsList.size()>0){
+            oeeStatisticsList.forEach(x->{
+                x.setYValue(hourFormat.format(x.getCreateTime()));
+            });
+        }
         return JSONArray.toJSONString(oeeStatisticsList);
     }
 
diff --git a/productionboard/src/main/java/com/productionboard/entity/AluminumDevice/AluminumOeeStatistics.java b/productionboard/src/main/java/com/productionboard/entity/AluminumDevice/AluminumOeeStatistics.java
index fbc6ce4..29913d1 100644
--- a/productionboard/src/main/java/com/productionboard/entity/AluminumDevice/AluminumOeeStatistics.java
+++ b/productionboard/src/main/java/com/productionboard/entity/AluminumDevice/AluminumOeeStatistics.java
@@ -23,8 +23,10 @@ public class AluminumOeeStatistics implements Serializable {
     @TableField("OEE")
     public String xValue;
 
-    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss",timezone = "GMT+8")
+    @TableField(exist = false)
+    public String yValue;
+
     @TableField("CREATETIME")
-    public Date yValue;
+    public Date createTime;
 
 }