字段排序报错问题

src/views/components/field/index.vue

@@ -138,7 +138,11 @@ export default {
     [CRUD.HOOK.beforeSubmit]() {
       this.crud.form.isType = this.isType
       if (this.crud.status.add > CRUD.STATUS.NORMAL) {
-        this.crud.form.isSequence = this.crud.data.reduce((prev, cur) => { return { isSequence: Math.max(prev.isSequence, cur.isSequence) } }).isSequence + 1
+        if (this.crud.data && this.crud.data.length > 0) {
+          this.crud.form.isSequence = this.crud.data.reduce((prev, cur) => { return { isSequence: Math.max(prev.isSequence, cur.isSequence) } }).isSequence + 1
+        } else {
+          this.crud.form.isSequence = 1
+        }
       }
     },
     handleConfirm() {

src/views/system/fileLibraryField/field/index.vue

@@ -138,7 +138,11 @@ export default {
     [CRUD.HOOK.beforeSubmit]() {
       this.crud.form.isType = this.isType
       if (this.crud.status.add > CRUD.STATUS.NORMAL) {
-        this.crud.form.isSequence = this.crud.data.reduce((prev, cur) => { return { isSequence: Math.max(prev.isSequence, cur.isSequence) } }).isSequence + 1
+        if (this.crud.data && this.crud.data.length > 0) {
+          this.crud.form.isSequence = this.crud.data.reduce((prev, cur) => { return { isSequence: Math.max(prev.isSequence, cur.isSequence) } }).isSequence + 1
+        } else {
+          this.crud.form.isSequence = 1
+        }
       }
     },
     handleConfirm() {