diff --git a/dubbo-common/src/main/java/org/apache/dubbo/common/constants/LoggerCodeConstants.java b/dubbo-common/src/main/java/org/apache/dubbo/common/constants/LoggerCodeConstants.java
index c4ab2f3c2e..ddee28b821 100644
--- a/dubbo-common/src/main/java/org/apache/dubbo/common/constants/LoggerCodeConstants.java
+++ b/dubbo-common/src/main/java/org/apache/dubbo/common/constants/LoggerCodeConstants.java
@@ -71,9 +71,9 @@ public interface LoggerCodeConstants {
 
     String COMMON_FAILED_OVERRIDE_FIELD = "0-24";
 
-    String COMMON_FAILED_LOAD_MAPPING_CACHE = "0-24";
+    String COMMON_FAILED_LOAD_MAPPING_CACHE = "0-25";
 
-    String COMMON_METADATA_PROCESSOR = "0-25";
+    String COMMON_METADATA_PROCESSOR = "0-26";
 
     // registry module
     String REGISTRY_ADDRESS_INVALID = "1-1";
diff --git a/dubbo-rpc/dubbo-rpc-dubbo/src/main/java/org/apache/dubbo/rpc/protocol/dubbo/DubboCodec.java b/dubbo-rpc/dubbo-rpc-dubbo/src/main/java/org/apache/dubbo/rpc/protocol/dubbo/DubboCodec.java
index 71402c524f..a71444ab16 100644
--- a/dubbo-rpc/dubbo-rpc-dubbo/src/main/java/org/apache/dubbo/rpc/protocol/dubbo/DubboCodec.java
+++ b/dubbo-rpc/dubbo-rpc-dubbo/src/main/java/org/apache/dubbo/rpc/protocol/dubbo/DubboCodec.java
@@ -157,7 +157,7 @@ public class DubboCodec extends ExchangeCodec {
                 req.setData(data);
             } catch (Throwable t) {
                 if (log.isWarnEnabled()) {
-                    log.warn("Decode request failed: " + t.getMessage(), t);
+                    log.warn(PROTOCOL_FAILED_DECODE, "", "", "Decode request failed: " + t.getMessage(), t);
                 }
                 // bad request
                 req.setBroken(true);