diff --git a/ci/deps.sh b/ci/deps.sh
index e3a8ff0d..4b96a519 100755
--- a/ci/deps.sh
+++ b/ci/deps.sh
@@ -8,7 +8,7 @@ for repo in $(jq -r 'keys[]' "$ROOT/deps.json"); do
   ver=$(jq -r ".\"$repo\"" "$ROOT/deps.json")
   tmp="$(mktemp -d)"
   gh release download "$ver" -R "array2d/$repo" -p "${repo}-abi-*-linux-x86_64.tar.gz" -D "$tmp"
-  tar xzf "$tmp"/*.tar.gz -C "$ROOT/libso"
+  tar xzf "$tmp"/*.tar.gz -C "$ROOT/libso" --strip-components=1
   rm -rf "$tmp"
 done
 echo "✅ ABI deps → libso/: $(ls "$ROOT/libso" 2>/dev/null | tr '\n' ' ')"
diff --git a/deps.json b/deps.json
index 425172e2..57e46b2c 100644
--- a/deps.json
+++ b/deps.json
@@ -1,4 +1,6 @@
 {
-  "kvspace-c": "v0.2.0",
-  "kvspace-durable": "v0.2.0"
+  "kvspace-c": "v0.2.1",
+  "kvspace-durable": "v0.2.1",
+  "blockmalloc": "v0.1.3",
+  "slotsboxmalloc": "v0.1.3"
 }
diff --git a/layout/build.rs b/layout/build.rs
index 9ad8e078..c023dbc5 100644
--- a/layout/build.rs
+++ b/layout/build.rs
@@ -1,23 +1,11 @@
 // 链接 kvspace 动态库（cdylib）。布局侧只通过 extern "C" ABI 调用。
-// 默认链接 kvspace-durable；KVLANG_KVSPACE_LIB=kvspace-c 时链接 kvspace-c（SHM，durable 兼容 ABI）。
-// 依赖路径从 CARGO_MANIFEST_DIR 推导（array2d 工作区根），不 hardcode 绝对路径。
+// 依赖 .so 由 ci/deps.sh 下载到 libso/lib；默认 kvspace-durable，KVLANG_KVSPACE_LIB=kvspace-c 时用 SHM 版。
 fn main() {
     println!("cargo:rerun-if-env-changed=KVLANG_KVSPACE_LIB");
     let lib = std::env::var("KVLANG_KVSPACE_LIB").unwrap_or_else(|_| "kvspace_durable".into());
-    let root = format!("{}/../..", env!("CARGO_MANIFEST_DIR")); // array2d 工作区根
-    let (lib_dir, extra) = if lib == "kvspace-c" {
-        (format!("{root}/kvspace-c/build"), true)
-    } else {
-        (format!("{root}/kvspace-durable/target/release"), false)
-    };
-    println!("cargo:rustc-link-search=native={lib_dir}");
+    let libso = format!("{}/../libso/lib", env!("CARGO_MANIFEST_DIR")); // kvlang/libso/lib
+    println!("cargo:rustc-link-search=native={libso}");
     println!("cargo:rustc-link-lib=dylib={lib}");
-    // --disable-new-dtags 使 rpath 转 DT_RPATH（传递），让 kvspace-c → blockmalloc/slotsboxmalloc
-    // 的传递依赖能被 layout 的 rpath 找到。
-    println!("cargo:rustc-link-arg=-Wl,-rpath,{lib_dir}");
+    println!("cargo:rustc-link-arg=-Wl,-rpath,{libso}");
     println!("cargo:rustc-link-arg=-Wl,--disable-new-dtags");
-    if extra {
-        println!("cargo:rustc-link-arg=-Wl,-rpath,{root}/blockmalloc/build");
-        println!("cargo:rustc-link-arg=-Wl,-rpath,{root}/slotsboxmalloc/build");
-    }
 }
diff --git a/runtime/CMakeLists.txt b/runtime/CMakeLists.txt
index 6fcf7ca2..c6bdf975 100644
--- a/runtime/CMakeLists.txt
+++ b/runtime/CMakeLists.txt
@@ -5,12 +5,12 @@ set(CMAKE_C_STANDARD 11)
 set(CMAKE_C_STANDARD_REQUIRED ON)
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
-# ── 依赖路径（相对 kvlang，不 hardcode 绝对路径）────────────────
-get_filename_component(ARRAY2D "${CMAKE_SOURCE_DIR}/../.." ABSOLUTE)
-set(KVSPACE_C_DIR "${ARRAY2D}/kvspace-c/build")
-set(KVSPACE_DURABLE_DIR "${ARRAY2D}/kvspace-durable/target/release")
-set(BLOCKMALLOC_DIR "${ARRAY2D}/blockmalloc/build")
-set(SLOTSBOXMALLOC_DIR "${ARRAY2D}/slotsboxmalloc/build")
+# ── 依赖 .so 由 ci/deps.sh 下载到 libso/（不再引用相邻仓库）────────
+set(LIBSO_DIR "${CMAKE_SOURCE_DIR}/../libso")
+set(KVSPACE_C_DIR "${LIBSO_DIR}/lib")
+set(KVSPACE_DURABLE_DIR "${LIBSO_DIR}/lib")
+set(BLOCKMALLOC_DIR "${LIBSO_DIR}/lib")
+set(SLOTSBOXMALLOC_DIR "${LIBSO_DIR}/lib")
 
 # ── kvspace 后端（kvspace-c 或 kvspace_durable，均导出同一 C ABI）────
 set(KVSPACE_LIB "kvspace-c" CACHE STRING "kvspace 后端库：kvspace-c / kvspace_durable")