diff --git a/srcs/libs/include/proto.h b/srcs/libs/include/proto.h
index 3a53f7c..aa5d56c 100644
--- a/srcs/libs/include/proto.h
+++ b/srcs/libs/include/proto.h
@@ -24,7 +24,7 @@ typedef enum {
     TYPE_QUE_USR = 2,
 } PROTO_POST_TYPE;
 
-const char *proto_msg_validation(const char *pJsonStr, const char *msgJson);
+const char *proto_msg_validation(const char *pJsonStr, const char *msgJson, const char *errMsg);
 const char *proto_create_new(cJSON *pMsgCtx, int httpCode);
 const char *proto_decode_context(const char *pString, unsigned int *pVer, unsigned long long *pTm, int *pErrCode);
 #ifdef __cplusplus
diff --git a/srcs/libs/include/user_errno.h b/srcs/libs/include/user_errno.h
index 3982104..d474216 100644
--- a/srcs/libs/include/user_errno.h
+++ b/srcs/libs/include/user_errno.h
@@ -61,8 +61,7 @@ extern "C" {
     ERR_CODE(ERR_MENU_EXIT, 49, "菜单执行完后自动退出")             \
     ERR_CODE(ERR_HTTP_UNSUP_METHOD, 50, "不支持的 HTTP 请求方法")   \
     ERR_CODE(ERR_HTTP_UNSUP_PAGE, 51, "找不到 HTTP 服务")           \
-    ERR_CODE(ERR_PROTO_DECODE, 52, "HTTP 协议解析失败")                   \
-    ERR_CODE(ERR_MSG_CONTENT, 53, "msgContent内容不正确")
+    ERR_CODE(ERR_PROTO_DECODE, 52, "HTTP 协议解析失败")
 #define GENERATE_ENUM(ENUM, no, x) ENUM,
 
 typedef enum {
diff --git a/srcs/libs/protocol/protocol.c b/srcs/libs/protocol/protocol.c
index d0044d7..3c7c92f 100644
--- a/srcs/libs/protocol/protocol.c
+++ b/srcs/libs/protocol/protocol.c
@@ -77,7 +77,7 @@ const char *proto_schema_validation(const char *pJsonStr) {
     return NULL;
 }
 
-const char *proto_msg_validation(const char *pJsonStr, const char *msgJson) {
+const char *proto_msg_validation(const char *pJsonStr, const char *msgJson, const char *errMsg) {
     json_object *pJs = json_tokener_parse(pJsonStr);
     if (!pJs) {
         cJSON *pRspRoot = cJSON_CreateObject();
@@ -95,7 +95,7 @@ const char *proto_msg_validation(const char *pJsonStr, const char *msgJson) {
         cJSON *pRspRoot = cJSON_CreateObject();
         cJSON_AddNumberToObject(pRspRoot, "status", ERR_JSON_VALID_SCH);
         cJSON_AddStringToObject(pRspRoot, "message", getErrorEnumDesc(ERR_JSON_VALID_SCH));
-        cJSON_AddStringToObject(pRspRoot, "details", getErrorEnumDesc(ERR_MSG_CONTENT));
+        cJSON_AddStringToObject(pRspRoot, "details", errMsg);
         json_object_put(pSc);
         json_object_put(pJs);
         return proto_create_new(pRspRoot, 200);
diff --git a/srcs/opendhcp183/query.cpp b/srcs/opendhcp183/query.cpp
index 7b442e1..67d20e1 100644
--- a/srcs/opendhcp183/query.cpp
+++ b/srcs/opendhcp183/query.cpp
@@ -48,10 +48,29 @@ static uv_rwlock_t   g_uvCacheLock;
 
 #ifdef JSON_SCHEMA_ON
 // clang-format off
-const char *g_json_msg[] = {
-    R"({"type":"object","required":["rangeSet"],"properties":{"rangeSet":{"type":"array","minItems":1,"items":{"type":"object","required":["dhcpRange"]}}}})",
-    R"({"type":"object","required":["dhcpRange"],"properties":{"dhcpRange":{"type":"array","minItems":1}}})",
-    R"({"type":"object","required":["userMac"],"properties":{"userMac":{"type":"array","minItems":1}}})"};
+typedef struct {
+    const char *pSchJson;
+    const char *pErrMsg;
+} JSON_POST_CTX;
+
+static JSON_POST_CTX g_add_msg[] = {
+        {R"({"type":"object","required":["rangeSet"]})", "Missing required field [rangeSet]"},
+        {R"({"properties":{"rangeSet":{"type":"array","minItems":1}}})", "No content in field [rangeSet]"},
+        {R"({"properties":{"rangeSet":{"items":{"type":"object","required":["dhcpRange"]}}}})", "Missing required field [dhcpRange]"},
+//        {R"({"properties":{"rangeSet":{"items":{"properties":{"dhcpRange":{"type":"string","minLength":15}}}}}})", "Error in field [dhcpRange]"}
+};
+
+static JSON_POST_CTX g_del_msg[] = {
+        {R"({"type":"object","required":["dhcpRange"]})", "Missing required field [dhcpRange]"},
+        {R"({"properties":{"dhcpRange":{"type":"array","minItems":1}}})", "No content in field [dhcpRange]"},
+//        {R"({"properties":{"dhcpRange":{"items":{"type":"string","minLength":15}}}})", "Error in field [dhcpRange]"}
+};
+
+static JSON_POST_CTX g_que_msg[] = {
+        {R"({"type":"object","required":["userMac"]})", "Missing required field [userMac]"},
+        {R"({"properties":{"userMac":{"type":"array","minItems":1}}})", "No content in field [userMac]"},
+//        {R"({"properties":{"userMac":{"items":{"type":"string","minLength":17,"maxLength":17}}}})", "Error in field [userMac]"}
+};
 // clang-format on
 #endif
 
@@ -83,10 +102,12 @@ static int dhcp_get_user_info(const char **pRsp, const char *pRequest) {
     }
 
     const char *pSchJson;
-    pSchJson = proto_msg_validation(pStrContent, g_json_msg[TYPE_QUE_USR]);
-    if (pSchJson != nullptr && strlen(pSchJson) > 0) {
-        *pRsp = pSchJson;
-        return ERR_SUCCESS;
+    for(auto i : g_que_msg) {
+        pSchJson = proto_msg_validation(pStrContent, i.pSchJson, i.pErrMsg);
+        if (pSchJson != nullptr && strlen(pSchJson) > 0) {
+            *pRsp = pSchJson;
+            return ERR_SUCCESS;
+        }
     }
     free((void *)pSchJson);
 #endif
@@ -369,10 +390,12 @@ static int add_dhcpd_rangeset(const char **pRsp, const char *pRequest) {
     }
 
     const char *pSchJson;
-    pSchJson = proto_msg_validation(pStrContent, g_json_msg[TYPE_ADD_RNG]);
-    if (pSchJson != nullptr && strlen(pSchJson) > 0) {
-        *pRsp = pSchJson;
-        return ERR_SUCCESS;
+    for(auto i : g_add_msg) {
+        pSchJson = proto_msg_validation(pStrContent, i.pSchJson, i.pErrMsg);
+        if (pSchJson != nullptr && strlen(pSchJson) > 0) {
+            *pRsp = pSchJson;
+            return ERR_SUCCESS;
+        }
     }
     free((void *)pSchJson);
 #endif
@@ -483,11 +506,14 @@ static int delete_dhcpd_rangeset(const char **pRsp, const char *pRequest) {
     }
 
     const char *pSchJson;
-    pSchJson = proto_msg_validation(pStrContent, g_json_msg[TYPE_DEL_RNG]);
-    if (pSchJson != nullptr && strlen(pSchJson) > 0) {
-        *pRsp = pSchJson;
-        return ERR_SUCCESS;
+    for(auto i : g_del_msg) {
+        pSchJson = proto_msg_validation(pStrContent, i.pSchJson, i.pErrMsg);
+        if (pSchJson != nullptr && strlen(pSchJson) > 0) {
+            *pRsp = pSchJson;
+            return ERR_SUCCESS;
+        }
     }
+    free((void*)pSchJson);
 #endif
 
     cJSON *pRoot = cJSON_Parse(pStrContent);