From 01b75e6506336ce269da20684bef4654bdf645f1 Mon Sep 17 00:00:00 2001
From: qixuan <58852732+GiveMe-A-Name@users.noreply.github.com>
Date: Mon, 22 Jan 2024 14:36:12 +0800
Subject: [PATCH] fix(prod-server): ssr cache would return error result when
 use stream ssr (#5281)

---
 .changeset/short-wolves-battle.md                           | 6 ++++++
 .../server/prod-server/src/libs/render/ssrCache/manager.ts  | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/short-wolves-battle.md

diff --git a/.changeset/short-wolves-battle.md b/.changeset/short-wolves-battle.md
new file mode 100644
index 000000000000..fc1c5d0d1a48
--- /dev/null
+++ b/.changeset/short-wolves-battle.md
@@ -0,0 +1,6 @@
+---
+'@modern-js/prod-server': patch
+---
+
+fix(prod-server): ssr cache would return error result when use stream ssr
+fix(prod-server): 使用 stream ssr 时， ssr 缓存将会返回错误结果
diff --git a/packages/server/prod-server/src/libs/render/ssrCache/manager.ts b/packages/server/prod-server/src/libs/render/ssrCache/manager.ts
index edab434eeb8a..17ec4bdf4d1d 100644
--- a/packages/server/prod-server/src/libs/render/ssrCache/manager.ts
+++ b/packages/server/prod-server/src/libs/render/ssrCache/manager.ts
@@ -70,7 +70,7 @@ export class CacheManager {
       await this.container.set(key, JSON.stringify(cache), { ttl });
       return renderResult;
     } else {
-      let html: string;
+      let html = '';
       const stream = new Transform({
         write(chunk, _, callback) {
           html += chunk.toString();