表单数据格式化common替换utils

src/business/platform/data/templaterender/form/action.js

@@ -121,7 +121,7 @@ export default {
                 version: this.version,
                 formKey: this.formKey,
                 pk: this.pkValue,
-                data: JSON.stringify(this.$utils.replaceNullWithEmpty(formData))
+                data: JSON.stringify(this.$common.replaceNullWithEmpty(formData))
             }
             const loading = this.$loading({
                 lock: true,