fix(tapd): change custom field json (#4415)

diff --git a/plugins/tapd/models/migrationscripts/archived/story.go b/plugins/tapd/models/migrationscripts/archived/story.go
index 8aab338..0fca2c9 100644
--- a/plugins/tapd/models/migrationscripts/archived/story.go
+++ b/plugins/tapd/models/migrationscripts/archived/story.go
@@ -82,9 +82,9 @@
 	CustomFieldThree string `json:"custom_field_three" gorm:"type:text"`
 	CustomFieldFour  string `json:"custom_field_four" gorm:"type:text"`
 	CustomFieldFive  string `json:"custom_field_five" gorm:"type:text"`
-	CustomField6     string `json:"custom_field_6" gorm:"type:text"`
-	CustomField7     string `json:"custom_field_7" gorm:"type:text"`
-	CustomField8     string `json:"custom_field_8" gorm:"type:text"`
+	CustomField6     string `json:"custom_field_six" gorm:"type:text"`
+	CustomField7     string `json:"custom_field_seven" gorm:"type:text"`
+	CustomField8     string `json:"custom_field_eight" gorm:"type:text"`
 	CustomField9     string `json:"custom_field_9" gorm:"type:text"`
 	CustomField10    string `json:"custom_field_10" gorm:"type:text"`
 	CustomField11    string `json:"custom_field_11" gorm:"type:text"`
diff --git a/plugins/tapd/models/migrationscripts/archived/task.go b/plugins/tapd/models/migrationscripts/archived/task.go
index 05abfde..875988b 100644
--- a/plugins/tapd/models/migrationscripts/archived/task.go
+++ b/plugins/tapd/models/migrationscripts/archived/task.go
@@ -64,9 +64,9 @@
 	CustomFieldThree string `json:"custom_field_three" gorm:"type:text"`
 	CustomFieldFour  string `json:"custom_field_four" gorm:"type:text"`
 	CustomFieldFive  string `json:"custom_field_five" gorm:"type:text"`
-	CustomField6     string `json:"custom_field_6" gorm:"type:text"`
-	CustomField7     string `json:"custom_field_7" gorm:"type:text"`
-	CustomField8     string `json:"custom_field_8" gorm:"type:text"`
+	CustomField6     string `json:"custom_field_six" gorm:"type:text"`
+	CustomField7     string `json:"custom_field_seven" gorm:"type:text"`
+	CustomField8     string `json:"custom_field_eight" gorm:"type:text"`
 	CustomField9     string `json:"custom_field_9" gorm:"type:text"`
 	CustomField10    string `json:"custom_field_10" gorm:"type:text"`
 	CustomField11    string `json:"custom_field_11" gorm:"type:text"`
diff --git a/plugins/tapd/models/story.go b/plugins/tapd/models/story.go
index 230959b..2613834 100644
--- a/plugins/tapd/models/story.go
+++ b/plugins/tapd/models/story.go
@@ -82,9 +82,9 @@
 	CustomFieldThree string `json:"custom_field_three" gorm:"type:text"`
 	CustomFieldFour  string `json:"custom_field_four" gorm:"type:text"`
 	CustomFieldFive  string `json:"custom_field_five" gorm:"type:text"`
-	CustomField6     string `json:"custom_field_6" gorm:"type:text"`
-	CustomField7     string `json:"custom_field_7" gorm:"type:text"`
-	CustomField8     string `json:"custom_field_8" gorm:"type:text"`
+	CustomField6     string `json:"custom_field_six" gorm:"type:text"`
+	CustomField7     string `json:"custom_field_seven" gorm:"type:text"`
+	CustomField8     string `json:"custom_field_eight" gorm:"type:text"`
 	CustomField9     string `json:"custom_field_9" gorm:"type:text"`
 	CustomField10    string `json:"custom_field_10" gorm:"type:text"`
 	CustomField11    string `json:"custom_field_11" gorm:"type:text"`
diff --git a/plugins/tapd/models/task.go b/plugins/tapd/models/task.go
index 6504fbc..946aefe 100644
--- a/plugins/tapd/models/task.go
+++ b/plugins/tapd/models/task.go
@@ -64,9 +64,9 @@
 	CustomFieldThree string `json:"custom_field_three" gorm:"type:text"`
 	CustomFieldFour  string `json:"custom_field_four" gorm:"type:text"`
 	CustomFieldFive  string `json:"custom_field_five" gorm:"type:text"`
-	CustomField6     string `json:"custom_field_6" gorm:"type:text"`
-	CustomField7     string `json:"custom_field_7" gorm:"type:text"`
-	CustomField8     string `json:"custom_field_8" gorm:"type:text"`
+	CustomField6     string `json:"custom_field_six" gorm:"type:text"`
+	CustomField7     string `json:"custom_field_seven" gorm:"type:text"`
+	CustomField8     string `json:"custom_field_eight" gorm:"type:text"`
 	CustomField9     string `json:"custom_field_9" gorm:"type:text"`
 	CustomField10    string `json:"custom_field_10" gorm:"type:text"`
 	CustomField11    string `json:"custom_field_11" gorm:"type:text"`