diff --git a/back-end-projects/Explorer/src/main/java/com/github/ontio/controller/NodesController.java b/back-end-projects/Explorer/src/main/java/com/github/ontio/controller/NodesController.java
index 5e421647..001a8e92 100644
--- a/back-end-projects/Explorer/src/main/java/com/github/ontio/controller/NodesController.java
+++ b/back-end-projects/Explorer/src/main/java/com/github/ontio/controller/NodesController.java
@@ -424,5 +424,10 @@ public ResponseBean getBadNode(@RequestParam Integer cycle) {
         return nodesService.getBadNode(cycle);
     }
 
-
+    @RequestLimit(count = 60)
+    @ApiOperation(value = "get best apr")
+    @GetMapping(value = "/best-apr")
+    public ResponseBean getBestApr() {
+        return nodesService.getBestApr();
+    }
 }
diff --git a/back-end-projects/Explorer/src/main/java/com/github/ontio/mapper/NodeInspireMapper.java b/back-end-projects/Explorer/src/main/java/com/github/ontio/mapper/NodeInspireMapper.java
index 1d4b0c96..a18ab140 100644
--- a/back-end-projects/Explorer/src/main/java/com/github/ontio/mapper/NodeInspireMapper.java
+++ b/back-end-projects/Explorer/src/main/java/com/github/ontio/mapper/NodeInspireMapper.java
@@ -14,4 +14,5 @@ public interface NodeInspireMapper extends Mapper<NodeInspire> {
 
     int selectNodesInspireCount();
 
+    String selectBestApr();
 }
\ No newline at end of file
diff --git a/back-end-projects/Explorer/src/main/java/com/github/ontio/service/impl/NodesServiceImpl.java b/back-end-projects/Explorer/src/main/java/com/github/ontio/service/impl/NodesServiceImpl.java
index 332fb34d..4736e2a4 100644
--- a/back-end-projects/Explorer/src/main/java/com/github/ontio/service/impl/NodesServiceImpl.java
+++ b/back-end-projects/Explorer/src/main/java/com/github/ontio/service/impl/NodesServiceImpl.java
@@ -1302,4 +1302,9 @@ public ResponseBean getBadNode(Integer cycle) {
         List<BadNode> nodeList = badNodeMapper.selectBadNodeByCycle(cycle);
         return new ResponseBean(ErrorInfo.SUCCESS.code(), ErrorInfo.SUCCESS.desc(), nodeList);
     }
+
+    public ResponseBean getBestApr() {
+        String apr = nodeInspireMapper.selectBestApr();
+        return new ResponseBean(ErrorInfo.SUCCESS.code(), ErrorInfo.SUCCESS.desc(), apr);
+    }
 }
diff --git a/back-end-projects/Explorer/src/main/resources/mapper/NodeInspireMapper.xml b/back-end-projects/Explorer/src/main/resources/mapper/NodeInspireMapper.xml
index b85718c5..6c5aea79 100644
--- a/back-end-projects/Explorer/src/main/resources/mapper/NodeInspireMapper.xml
+++ b/back-end-projects/Explorer/src/main/resources/mapper/NodeInspireMapper.xml
@@ -59,4 +59,14 @@
         COUNT(1)
         FROM tbl_node_inspire
     </select>
+
+    <select id="selectBestApr" resultType="java.lang.String">
+        SELECT a.user_apy
+        FROM tbl_node_inspire a
+        INNER JOIN tbl_node_info_off_chain b
+        ON a.public_key = b.public_key
+        WHERE b.bad_actor = 0
+        ORDER BY a.user_apy+0 DESC
+        LIMIT 1;
+    </select>
 </mapper>
\ No newline at end of file