diff --git a/docs/project-memory/shared-memory/pitfalls.md b/docs/project-memory/shared-memory/pitfalls.md
index d34d969e6..6528aa74a 100644
--- a/docs/project-memory/shared-memory/pitfalls.md
+++ b/docs/project-memory/shared-memory/pitfalls.md
@@ -4766,3 +4766,10 @@
 - 处理：generation progress、保存队列、生成/提交回包和延迟 `loadDraft` 统一用当前 scope、触发最低 revision 与回包当下草稿的单调门禁；同 revision 只允许完整相等回包。Tauri 指针和键盘选择复用 `resolveLayerPointerSelection`。pointerdown 只冻结快照，首次真实 move/resize/pan 才 capture 一次；零位移、未变选择和锁定图层不增加 undo、documentVersion 或草稿保存。
 - 失败边界：`canvas.failed` 必须携带 `generation / draft-save / asset-commit / recovery / cancellation`，只有 `generation` 失败显示“返回修改/重新确认”。保存/CAS 只重试或重载，提交/恢复只安全恢复或对账，取消故障只保留草稿继续编辑；初始恢复失败也不得进入生成重试。
 - 验证：用 deferred Promise 覆盖 r5/r6 逆序、保存与 progress 交错和 scope 切换；同时覆盖 Shift 单选自身、多选拖动、指针完整序列、零位移、首次有效移动只一条 history，以及五类失败的可访问名称与按钮集。
+
+## Windows MSVC 测试不要依赖系统 OpenSSL（2026-08-17）
+
+- 现象：Windows 上执行 Rust 测试时，`openssl-sys` 构建脚本因找不到 OpenSSL 开发目录或 vcpkg 而失败；机器即使带有 Strawberry Perl 的 `openssl.exe` 和 `libssl.a`，也不能直接供 `x86_64-pc-windows-msvc` 链接。
+- 原因：测试代码仅为动态生成 RSA fixture 引入 `openssl` dev-dependency，从而把原本使用纯 Rust 加密实现的 crate 额外绑定到本机原生 OpenSSL 工具链；Strawberry 附带的库面向 MinGW，不等于可用的 MSVC OpenSSL SDK。
+- 处理：测试优先使用明确标记、只供测试的固定 PEM fixture，并继续通过项目自身的密钥解析与签名验证路径覆盖真实行为；不要仅为生成 fixture 引入系统原生库，也不要把 MinGW OpenSSL 路径写入 `OPENSSL_DIR` 冒充 MSVC 依赖。
+- 验证：运行目标 crate 的 `cargo tree -i openssl-sys --target all` 确认依赖已退出，再执行包含测试目标的 `cargo test --tests`，不能只用不会编译 dev-dependency 的 `cargo check --lib` 代替。
diff --git a/server-rs/Cargo.lock b/server-rs/Cargo.lock
index 3c82d1717..fae607bfa 100644
--- a/server-rs/Cargo.lock
+++ b/server-rs/Cargo.lock
@@ -4222,7 +4222,6 @@ dependencies = [
  "csv",
  "flate2",
  "hex",
- "openssl",
  "reqwest",
  "ring",
  "serde",
diff --git a/server-rs/crates/platform-wechat/Cargo.toml b/server-rs/crates/platform-wechat/Cargo.toml
index 872319740..734f08116 100644
--- a/server-rs/crates/platform-wechat/Cargo.toml
+++ b/server-rs/crates/platform-wechat/Cargo.toml
@@ -26,5 +26,4 @@ urlencoding = { workspace = true }
 x509-parser = { workspace = true }
 
 [dev-dependencies]
-openssl = "0.10"
 tokio = { workspace = true, features = ["macros", "rt-multi-thread"] }
diff --git a/server-rs/crates/platform-wechat/src/pay.rs b/server-rs/crates/platform-wechat/src/pay.rs
index bcd582d83..ac8db5f1f 100644
--- a/server-rs/crates/platform-wechat/src/pay.rs
+++ b/server-rs/crates/platform-wechat/src/pay.rs
@@ -3526,7 +3526,6 @@ impl std::error::Error for WechatPayError {}
 mod tests {
     use super::*;
     use cbc::cipher::{BlockEncryptMut, block_padding::NoPadding};
-    use openssl::{pkey::PKey, rsa::Rsa};
     use reqwest::header::HeaderValue;
     use serde_json::json;
 
@@ -3544,6 +3543,43 @@ KwIDAQAB
     const TEST_REFUND_API_V3_KEY: &str = "0123456789abcdef0123456789abcdef";
     const TEST_REFUND_MCH_ID: &str = "1900000100";
     const TEST_REFUND_PLATFORM_SERIAL: &str = "PUB_KEY_ID_REFUND_TEST";
+    const TEST_REFUND_PRIVATE_KEY_PEM: &str = r#"-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----"#;
+    const TEST_REFUND_PUBLIC_KEY_PEM: &str = r#"-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyHCUI+d8y6almndN7y8W
+Y5+M1Cou2kohkx+Svc3FbJLMkp7AbeEa5Bal0kJYoGE+dKOOAM9OHHPnJb46c7dW
+p3QUM943n7+UuD3NoW1bI05L95ybXotp4rhab0XNzGBcUuHytjYdbdgalWlHl89L
+id47skzbIFhGzeM5MPGyg2SsSxajsYrL97zaKQpCijUYqpWnjfvjE/+MT5erw/Pi
+hzTAu1+LzFIlSu4Ncg4t3EHJ/iYY4bT78wjl7Ac4mwXYc4XyHJhYNM3eX1icTEjl
+lp615UWsQk8pJJOHTBmXxbsJsn4YBBMNArZv2N3f7EW2GtUR35k5OJneUm87IcCf
+LwIDAQAB
+-----END PUBLIC KEY-----"#;
 
     #[test]
     fn mock_pay_params_use_request_payment_shape() {
@@ -4465,30 +4501,16 @@ KwIDAQAB
     }
 
     fn build_refund_notify_test_client() -> RealWechatPayClient {
-        let rsa = Rsa::generate(2_048).expect("refund test RSA key should generate");
-        let key_pair = PKey::from_rsa(rsa).expect("refund test key pair should build");
-        let private_key_pem = String::from_utf8(
-            key_pair
-                .private_key_to_pem_pkcs8()
-                .expect("refund test private key should encode"),
-        )
-        .expect("refund test private key PEM should be UTF-8");
-        let public_key_pem = String::from_utf8(
-            key_pair
-                .public_key_to_pem()
-                .expect("refund test public key should encode"),
-        )
-        .expect("refund test public key PEM should be UTF-8");
         RealWechatPayClient {
             client: reqwest::Client::new(),
             app_id: "wx-refund-test".to_string(),
             mch_id: TEST_REFUND_MCH_ID.to_string(),
             merchant_serial_no: "merchant-refund-test".to_string(),
             private_key: Arc::new(
-                parse_rsa_private_key(&private_key_pem)
+                parse_rsa_private_key(TEST_REFUND_PRIVATE_KEY_PEM)
                     .expect("refund test private key should parse"),
             ),
-            platform_public_key_der: parse_public_key_pem(&public_key_pem)
+            platform_public_key_der: parse_public_key_pem(TEST_REFUND_PUBLIC_KEY_PEM)
                 .expect("refund test public key should parse"),
             platform_serial_no: TEST_REFUND_PLATFORM_SERIAL.to_string(),
             api_v3_key: TEST_REFUND_API_V3_KEY.to_string(),