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 c4d99c9f..8235d19b 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
@@ -332,7 +332,7 @@ public ResponseBean getNodesInspireByPublicKey(
         return new ResponseBean(ErrorInfo.SUCCESS.code(), ErrorInfo.SUCCESS.desc(), response);
     }
 
-    @ApiOperation(value = "calculation node inspire")
+    @ApiOperation(value = "get calculation node inspire info")
     @GetMapping(value = "/node-incentives/calculation-info")
     public ResponseBean getCalculationNodeIncentivesInfo() {
         CalculationInspireInfoDto response = nodesService.getCalculationNodeIncentivesInfo();
@@ -353,7 +353,7 @@ public ResponseBean calculationUserIncentives(@RequestBody UserInspireCalculatio
         return new ResponseBean(ErrorInfo.SUCCESS.code(), ErrorInfo.SUCCESS.desc(), response);
     }
 
-    @ApiOperation(value = "get all node cycle history ")
+    @ApiOperation(value = "get all node cycle history")
     @GetMapping(value = "/node-cycle-data/all")
     public ResponseBean getNodeCycleHistoryData(@RequestParam(value = "page_number") @Min(value = 1, message = "Invalid page number") Integer pageNum,
                                                 @RequestParam(value = "page_size") @Min(value = 1, message = "Invalid page size") @Max(value = 50, message = "Invalid page size") Integer pageSize) {
@@ -371,7 +371,7 @@ public ResponseBean getNodeCycleHistoryDataByPubKey(@RequestParam("public_key")
         return new ResponseBean(ErrorInfo.SUCCESS.code(), ErrorInfo.SUCCESS.desc(), response);
     }
 
-    @ApiOperation(value = "query nodes by filter ")
+    @ApiOperation(value = "query nodes by filter")
     @PostMapping(value = "/get-nodes")
     public ResponseBean getNodes(@RequestBody NodesInfoDto dto) {
         PageResponseBean response = nodesService.getNodesByFilter(dto);