diff --git a/Cargo.toml b/Cargo.toml
index 3f8c8a476..982535c00 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,7 +36,7 @@ wasmer-wasi = { path = "lib/wasi", optional = true }
 kwasm-loader = { path = "lib/kwasm-loader", optional = true }
 
 [workspace]
-members = ["lib/clif-backend", "lib/singlepass-backend", "lib/runtime", "lib/runtime-abi", "lib/runtime-core", "lib/emscripten", "lib/spectests", "lib/win-exception-handler", "lib/runtime-c-api", "lib/llvm-backend", "lib/wasi", "lib/middleware-common", "lib/kwasm-loader", "lib/kwasm-net", "examples/pipe", "examples/wasi-networking", "examples/http-server", "examples/plugin-for-example"]
+members = ["lib/clif-backend", "lib/singlepass-backend", "lib/runtime", "lib/runtime-abi", "lib/runtime-core", "lib/emscripten", "lib/spectests", "lib/win-exception-handler", "lib/runtime-c-api", "lib/llvm-backend", "lib/wasi", "lib/middleware-common", "lib/kwasm-loader", "lib/kwasm-net", "examples/plugin-for-example"]
 
 [build-dependencies]
 wabt = "0.7.2"
diff --git a/examples/http-server/Cargo.lock b/examples/http-server/Cargo.lock
new file mode 100644
index 000000000..da2847543
--- /dev/null
+++ b/examples/http-server/Cargo.lock
@@ -0,0 +1,13 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "http-server"
+version = "0.1.0"
+dependencies = [
+ "kwasm-net 0.1.0",
+]
+
+[[package]]
+name = "kwasm-net"
+version = "0.1.0"
+
diff --git a/examples/http-server/Cargo.toml b/examples/http-server/Cargo.toml
index 3d6f23502..daa66555c 100644
--- a/examples/http-server/Cargo.toml
+++ b/examples/http-server/Cargo.toml
@@ -6,5 +6,7 @@ edition = "2018"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[workspace]
+
 [dependencies]
 kwasm-net = { path = "../../lib/kwasm-net" }
diff --git a/examples/pipe/Cargo.toml b/examples/pipe/Cargo.toml
index 50702bbb1..3dec72148 100644
--- a/examples/pipe/Cargo.toml
+++ b/examples/pipe/Cargo.toml
@@ -4,4 +4,6 @@ version = "0.1.0"
 authors = ["Heyang Zhou <zhy20000919@hotmail.com>"]
 edition = "2018"
 
+[workspace]
+
 [dependencies]
diff --git a/examples/wasi-networking/Cargo.toml b/examples/wasi-networking/Cargo.toml
index 8057f9592..fe6712c17 100644
--- a/examples/wasi-networking/Cargo.toml
+++ b/examples/wasi-networking/Cargo.toml
@@ -4,5 +4,7 @@ version = "0.1.0"
 authors = ["Heyang Zhou <zhy20000919@hotmail.com>"]
 edition = "2018"
 
+[workspace]
+
 [dependencies]
 kwasm-net = { path = "../../lib/kwasm-net" }
\ No newline at end of file