diff --git a/model.go b/model.go
index 30aaacb..19134e6 100644
--- a/model.go
+++ b/model.go
@@ -437,23 +437,23 @@ const FlogJsonSchema string = `{
 const SchemaBody string = `{
     "fields": [
         {
-            "name": "device_id",
-            "data_type": "Int64",
+            "name": "app_meta",
+            "data_type": "Utf8",
             "nullable": true,
             "dict_id": 0,
             "dict_is_ordered": false,
             "metadata": {}
         },
         {
-            "name": "host",
-            "data_type": "Utf8",
+            "name": "device_id",
+            "data_type": "Int64",
             "nullable": true,
             "dict_id": 0,
             "dict_is_ordered": false,
             "metadata": {}
         },
         {
-            "name": "level",
+            "name": "host",
             "data_type": "Utf8",
             "nullable": true,
             "dict_id": 0,
@@ -461,7 +461,7 @@ const SchemaBody string = `{
             "metadata": {}
         },
         {
-            "name": "message",
+            "name": "level",
             "data_type": "Utf8",
             "nullable": true,
             "dict_id": 0,
@@ -469,7 +469,7 @@ const SchemaBody string = `{
             "metadata": {}
         },
         {
-            "name": "os",
+            "name": "location",
             "data_type": "Utf8",
             "nullable": true,
             "dict_id": 0,
@@ -477,7 +477,7 @@ const SchemaBody string = `{
             "metadata": {}
         },
         {
-            "name": "p_metadata",
+            "name": "message",
             "data_type": "Utf8",
             "nullable": true,
             "dict_id": 0,
@@ -485,7 +485,7 @@ const SchemaBody string = `{
             "metadata": {}
         },
         {
-            "name": "p_tags",
+            "name": "os",
             "data_type": "Utf8",
             "nullable": true,
             "dict_id": 0,
@@ -493,7 +493,7 @@ const SchemaBody string = `{
             "metadata": {}
         },
         {
-            "name": "p_timestamp",
+            "name": "p_metadata",
             "data_type": "Utf8",
             "nullable": true,
             "dict_id": 0,
@@ -501,31 +501,36 @@ const SchemaBody string = `{
             "metadata": {}
         },
         {
-            "name": "process_id",
-            "data_type": "Int64",
+            "name": "p_tags",
+            "data_type": "Utf8",
             "nullable": true,
             "dict_id": 0,
             "dict_is_ordered": false,
             "metadata": {}
         },
         {
-            "name": "response_time",
-            "data_type": "Int64",
+            "name": "p_timestamp",
+            "data_type": {
+                "Timestamp": [
+                    "Millisecond",
+                    null
+                ]
+            },
             "nullable": true,
             "dict_id": 0,
             "dict_is_ordered": false,
             "metadata": {}
         },
         {
-            "name": "session_id",
-            "data_type": "Utf8",
+            "name": "process_id",
+            "data_type": "Int64",
             "nullable": true,
             "dict_id": 0,
             "dict_is_ordered": false,
             "metadata": {}
         },
         {
-            "name": "source_time",
+            "name": "request_body",
             "data_type": "Utf8",
             "nullable": true,
             "dict_id": 0,
@@ -533,7 +538,7 @@ const SchemaBody string = `{
             "metadata": {}
         },
         {
-            "name": "status_code",
+            "name": "response_time",
             "data_type": "Int64",
             "nullable": true,
             "dict_id": 0,
@@ -541,7 +546,7 @@ const SchemaBody string = `{
             "metadata": {}
         },
         {
-            "name": "timezone",
+            "name": "runtime",
             "data_type": "Utf8",
             "nullable": true,
             "dict_id": 0,
@@ -549,31 +554,36 @@ const SchemaBody string = `{
             "metadata": {}
         },
         {
-            "name": "user_id",
-            "data_type": "Int64",
+            "name": "session_id",
+            "data_type": "Utf8",
             "nullable": true,
             "dict_id": 0,
             "dict_is_ordered": false,
             "metadata": {}
         },
         {
-            "name": "uuid",
-            "data_type": "Utf8",
+            "name": "source_time",
+            "data_type": {
+                "Timestamp": [
+                    "Millisecond",
+                    null
+                ]
+            },
             "nullable": true,
             "dict_id": 0,
             "dict_is_ordered": false,
             "metadata": {}
         },
         {
-            "name": "version",
-            "data_type": "Utf8",
+            "name": "status_code",
+            "data_type": "Int64",
             "nullable": true,
             "dict_id": 0,
             "dict_is_ordered": false,
             "metadata": {}
         },
         {
-            "name": "request_body",
+            "name": "timezone",
             "data_type": "Utf8",
             "nullable": true,
             "dict_id": 0,
@@ -581,7 +591,7 @@ const SchemaBody string = `{
             "metadata": {}
         },
         {
-            "name": "runtime",
+            "name": "user_agent",
             "data_type": "Utf8",
             "nullable": true,
             "dict_id": 0,
@@ -589,15 +599,15 @@ const SchemaBody string = `{
             "metadata": {}
         },
         {
-            "name": "user_agent",
-            "data_type": "Utf8",
+            "name": "user_id",
+            "data_type": "Int64",
             "nullable": true,
             "dict_id": 0,
             "dict_is_ordered": false,
             "metadata": {}
         },
         {
-            "name": "location",
+            "name": "uuid",
             "data_type": "Utf8",
             "nullable": true,
             "dict_id": 0,
@@ -605,7 +615,7 @@ const SchemaBody string = `{
             "metadata": {}
         },
         {
-            "name": "app_meta",
+            "name": "version",
             "data_type": "Utf8",
             "nullable": true,
             "dict_id": 0,