diff --git a/back-end-projects/Explorer/src/main/java/com/github/ontio/controller/AddressController.java b/back-end-projects/Explorer/src/main/java/com/github/ontio/controller/AddressController.java
index 8b00d7c1..f692b482 100644
--- a/back-end-projects/Explorer/src/main/java/com/github/ontio/controller/AddressController.java
+++ b/back-end-projects/Explorer/src/main/java/com/github/ontio/controller/AddressController.java
@@ -213,8 +213,9 @@ public void exportAddressTransferTxs(
     @ApiOperation(value = "get address staking info")
     @GetMapping(value = "/{address}/staking-info")
     public ResponseBean getAddressStakingInfo(@PathVariable @Length(min = 34, max = 34, message = "Incorrect address format") String address,
-                                              @RequestParam(required = false) String channel) {
-        return addressService.getAddressStakingInfo(address, channel);
+                                              @RequestParam(required = false) String channel,
+                                              @RequestParam(value = "public_key", required = false) String publicKey) {
+        return addressService.getAddressStakingInfo(address, channel, publicKey);
     }
 
     @RequestLimit(count = 30)
diff --git a/back-end-projects/Explorer/src/main/java/com/github/ontio/mapper/NodeInfoOffChainMapper.java b/back-end-projects/Explorer/src/main/java/com/github/ontio/mapper/NodeInfoOffChainMapper.java
index f299d238..206d6a65 100644
--- a/back-end-projects/Explorer/src/main/java/com/github/ontio/mapper/NodeInfoOffChainMapper.java
+++ b/back-end-projects/Explorer/src/main/java/com/github/ontio/mapper/NodeInfoOffChainMapper.java
@@ -19,5 +19,7 @@ public interface NodeInfoOffChainMapper extends Mapper<NodeInfoOffChain> {
 
     List<NodeInfoOffChain> selectAllStakingNodeInfo();
 
+    NodeInfoOffChain selectOneStakingNodeInfo(String publicKey);
+
     List<NodeInfoOffChain> selectAllRegisterNodeInfo(String address);
 }
\ No newline at end of file
diff --git a/back-end-projects/Explorer/src/main/java/com/github/ontio/service/IAddressService.java b/back-end-projects/Explorer/src/main/java/com/github/ontio/service/IAddressService.java
index 11bd1754..15b29a04 100644
--- a/back-end-projects/Explorer/src/main/java/com/github/ontio/service/IAddressService.java
+++ b/back-end-projects/Explorer/src/main/java/com/github/ontio/service/IAddressService.java
@@ -41,7 +41,7 @@ ResponseBean queryTransferTxsByTimeAndPage4Onto(String address, String assetName
 
     void exportAddressTransferTxs(String token, String language, String address, Integer start, Integer end, HttpServletResponse resp) throws IOException;
 
-    ResponseBean getAddressStakingInfo(String address, String channel);
+    ResponseBean getAddressStakingInfo(String address, String channel, String specificPublicKey);
 
     ResponseBean getAddressStakingInfoWhenRoundStart(String address);
 }
diff --git a/back-end-projects/Explorer/src/main/java/com/github/ontio/service/impl/AddressServiceImpl.java b/back-end-projects/Explorer/src/main/java/com/github/ontio/service/impl/AddressServiceImpl.java
index dc7dce70..0a0061cc 100644
--- a/back-end-projects/Explorer/src/main/java/com/github/ontio/service/impl/AddressServiceImpl.java
+++ b/back-end-projects/Explorer/src/main/java/com/github/ontio/service/impl/AddressServiceImpl.java
@@ -1581,33 +1581,56 @@ private boolean verifyReCAPTCHAToken(String token) {
     }
 
     @Override
-    public ResponseBean getAddressStakingInfo(String address, String channel) {
-        List<NodeInfoOffChain> currentOffChainInfo = nodeInfoOffChainMapper.selectAllStakingNodeInfo();
+    public ResponseBean getAddressStakingInfo(String address, String channel, String specificPublicKey) {
         List<NodeStakeDto> nodeStakeDtos = new ArrayList<>();
         initSDK();
-        if (ConstantParam.CHANNEL_ONTO.equalsIgnoreCase(channel)) {
-            int currentRound = sdk.getGovernanceView();
-            for (NodeInfoOffChain nodeInfoOffChain : currentOffChainInfo) {
-                String publicKey = nodeInfoOffChain.getPublicKey();
+        if (StringUtils.hasLength(specificPublicKey)) {
+            NodeInfoOffChain nodeInfoOffChain = nodeInfoOffChainMapper.selectOneStakingNodeInfo(specificPublicKey);
+            if (nodeInfoOffChain == null) {
+                throw new ExplorerException(ErrorInfo.NOT_FOUND);
+            }
+            if (ConstantParam.CHANNEL_ONTO.equalsIgnoreCase(channel)) {
+                int currentRound = sdk.getGovernanceView();
                 try {
-                    if (!publicKey.startsWith(ConstantParam.FAKE_NODE_PUBKEY_PREFIX)) {
-                        String stakingInfo = sdk.getAuthorizeInfo(publicKey, address);
-                        putStakingInfoList4Onto(address, stakingInfo, nodeInfoOffChain, nodeStakeDtos, currentRound);
-                    }
+                    String stakingInfo = sdk.getAuthorizeInfo(specificPublicKey, address);
+                    putStakingInfoList4Onto(address, stakingInfo, nodeInfoOffChain, nodeStakeDtos, currentRound);
                 } catch (Exception e) {
-                    log.error("getAddressStakingInfo error:{},{},{}", address, publicKey, e.getMessage());
+                    log.error("getAddressStakingInfo error:{},{},{}", address, specificPublicKey, e.getMessage());
+                }
+            } else {
+                try {
+                    String stakingInfo = sdk.getAuthorizeInfo(specificPublicKey, address);
+                    putStakingInfoList(stakingInfo, nodeInfoOffChain, nodeStakeDtos);
+                } catch (Exception e) {
+                    log.error("getAddressStakingInfo error:{},{},{}", address, specificPublicKey, e.getMessage());
                 }
             }
         } else {
-            for (NodeInfoOffChain nodeInfoOffChain : currentOffChainInfo) {
-                String publicKey = nodeInfoOffChain.getPublicKey();
-                try {
-                    if (!publicKey.startsWith(ConstantParam.FAKE_NODE_PUBKEY_PREFIX)) {
-                        String stakingInfo = sdk.getAuthorizeInfo(publicKey, address);
-                        putStakingInfoList(stakingInfo, nodeInfoOffChain, nodeStakeDtos);
+            List<NodeInfoOffChain> currentOffChainInfo = nodeInfoOffChainMapper.selectAllStakingNodeInfo();
+            if (ConstantParam.CHANNEL_ONTO.equalsIgnoreCase(channel)) {
+                int currentRound = sdk.getGovernanceView();
+                for (NodeInfoOffChain nodeInfoOffChain : currentOffChainInfo) {
+                    String publicKey = nodeInfoOffChain.getPublicKey();
+                    try {
+                        if (!publicKey.startsWith(ConstantParam.FAKE_NODE_PUBKEY_PREFIX)) {
+                            String stakingInfo = sdk.getAuthorizeInfo(publicKey, address);
+                            putStakingInfoList4Onto(address, stakingInfo, nodeInfoOffChain, nodeStakeDtos, currentRound);
+                        }
+                    } catch (Exception e) {
+                        log.error("getAddressStakingInfo error:{},{},{}", address, publicKey, e.getMessage());
+                    }
+                }
+            } else {
+                for (NodeInfoOffChain nodeInfoOffChain : currentOffChainInfo) {
+                    String publicKey = nodeInfoOffChain.getPublicKey();
+                    try {
+                        if (!publicKey.startsWith(ConstantParam.FAKE_NODE_PUBKEY_PREFIX)) {
+                            String stakingInfo = sdk.getAuthorizeInfo(publicKey, address);
+                            putStakingInfoList(stakingInfo, nodeInfoOffChain, nodeStakeDtos);
+                        }
+                    } catch (Exception e) {
+                        log.error("getAddressStakingInfo error:{},{},{}", address, publicKey, e.getMessage());
                     }
-                } catch (Exception e) {
-                    log.error("getAddressStakingInfo error:{},{},{}", address, publicKey, e.getMessage());
                 }
             }
         }
diff --git a/back-end-projects/Explorer/src/main/resources/mapper/NodeInfoOffChainMapper.xml b/back-end-projects/Explorer/src/main/resources/mapper/NodeInfoOffChainMapper.xml
index b58f158a..daa7cb90 100644
--- a/back-end-projects/Explorer/src/main/resources/mapper/NodeInfoOffChainMapper.xml
+++ b/back-end-projects/Explorer/src/main/resources/mapper/NodeInfoOffChainMapper.xml
@@ -107,6 +107,22 @@
         ORDER BY b.progress IS NULL, b.progress = '100.00%', a.public_key
     </select>
 
+    <select id="selectOneStakingNodeInfo" resultType="com.github.ontio.model.dao.NodeInfoOffChain" useCache="true">
+        SELECT
+            a.public_key,
+            a.name,
+            a.address,
+            a.node_type,
+            b.progress,
+            b.total_pos,
+            b.max_authorize,
+            c.user_apy
+        FROM tbl_node_info_off_chain a
+                 LEFT JOIN tbl_node_info_on_chain b ON a.public_key = b.public_key
+                 LEFT JOIN tbl_node_inspire c ON a.public_key = c.public_key
+        WHERE a.public_key = #{publicKey}
+    </select>
+
     <select id="selectAllRegisterNodeInfo" resultType="com.github.ontio.model.dao.NodeInfoOffChain">
         SELECT
         <include refid="baseColumns"/>