diff --git a/src/views/pm/mtask_drawer.vue b/src/views/pm/mtask_drawer.vue
index 8ebbf455..ac124011 100644
--- a/src/views/pm/mtask_drawer.vue
+++ b/src/views/pm/mtask_drawer.vue
@@ -169,7 +169,9 @@ export default {
 			return this;
 		},
 		table_edit(row) {
-			this.form = Object.assign(row, this.form);
+			this.form = {};
+			let item = row;
+			this.form = Object.assign(item, this.form);
 			this.dialogVisible = true;
 		},
 		updateMtaskSubmit() {