diff --git a/ft/resource/error.resource b/ft/resource/error.resource
index 8e4cbbbf..a8e4ad4f 100644
--- a/ft/resource/error.resource
+++ b/ft/resource/error.resource
@@ -54,10 +54,11 @@ ${NEU_ERR_LICENSE_DISABLED}   2403
 ${NEU_ERR_LICENSE_MAX_NODES}  2404
 ${NEU_ERR_LICENSE_MAX_TAGS}   2405
 
-${NEU_ERR_PLUGIN_READ_FAILURE}         3000
-${NEU_ERR_PLUGIN_WRITE_FAILURE}        3001
-${NEU_ERR_PLUGIN_DISCONNECTED}         3002
-${NEU_ERR_PLUGIN_TAG_NOT_ALLOW_READ}   3003
-${NEU_ERR_PLUGIN_TAG_NOT_ALLOW_WRITE}  3004
-${NEU_ERR_PLUGIN_TAG_TYPE_MISMATCH}    3007
-${NEU_ERR_PLUGIN_TAG_EXPIRED} 	       3008
\ No newline at end of file
+${NEU_ERR_PLUGIN_READ_FAILURE}         		3000
+${NEU_ERR_PLUGIN_WRITE_FAILURE}        		3001
+${NEU_ERR_PLUGIN_DISCONNECTED}         		3002
+${NEU_ERR_PLUGIN_TAG_NOT_ALLOW_READ}   		3003
+${NEU_ERR_PLUGIN_TAG_NOT_ALLOW_WRITE}  		3004
+${NEU_ERR_PLUGIN_TAG_TYPE_MISMATCH}    		3007
+${NEU_ERR_PLUGIN_TAG_EXPIRED} 	       		3008
+${NEU_ERR_PLUGIN_PROTOCOL_DECODE_FAILURE}	3009,
\ No newline at end of file
diff --git a/plugins/restful/http.c b/plugins/restful/http.c
index 336f99a0..6c5ce400 100644
--- a/plugins/restful/http.c
+++ b/plugins/restful/http.c
@@ -284,6 +284,7 @@ int http_response(nng_aio *aio, neu_err_code_e code, char *content)
     case NEU_ERR_LICENSE_MAX_TAGS:
     case NEU_ERR_GROUP_ALREADY_SUBSCRIBED:
     case NEU_ERR_PLUGIN_TAG_TYPE_MISMATCH:
+    case NEU_ERR_PLUGIN_PROTOCOL_DECODE_FAILURE:
         status = NNG_HTTP_STATUS_OK;
         break;
     case NEU_ERR_EINTERNAL: