From 515ee751cb66be12d0886cb86cb1418b59e5ba89 Mon Sep 17 00:00:00 2001
From: Suwings <Suwings@outlook.com>
Date: Mon, 24 Jan 2022 17:03:47 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=20=E5=AD=97=E7=AC=A6?=
 =?UTF-8?q?=E4=B8=B2=E7=A9=BA=E7=BD=AE?=
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---
 src/entity/instance/instance.ts | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/entity/instance/instance.ts b/src/entity/instance/instance.ts
index 0f08bcf..6e43c00 100644
--- a/src/entity/instance/instance.ts
+++ b/src/entity/instance/instance.ts
@@ -162,7 +162,13 @@ export default class Instance extends EventEmitter {
       else
         self[key] = Number(v);
     }
-    else if (typeFn) {
+    if (typeFn === String) {
+      if (v === null) {
+        self[key] = null;
+      } else {
+        self[key] = String(v);
+      }
+    } else if (typeFn) {
       self[key] = typeFn(v);
     } else {
       self[key] = v;