diff --git a/.github/workflows/devnet.yaml b/.github/workflows/devnet.yaml
index 9abcb3c..897ce6a 100644
--- a/.github/workflows/devnet.yaml
+++ b/.github/workflows/devnet.yaml
@@ -76,6 +76,7 @@ jobs:
         env:
           VITE_ACCOUNT_CHARLIE: ${{ secrets.ACCOUNT_CHARLIE }}
           VITE_ACCOUNT_ALICE: ${{ secrets.ACCOUNT_ALICE }}
+          VITE_ACCOUNT_BOB: ${{ secrets.ACCOUNT_BOB }}
 
       - name: Prepare spore-sdk
         working-directory: spore-sdk
@@ -87,4 +88,5 @@ jobs:
         env:
           VITE_ACCOUNT_CHARLIE: ${{ secrets.ACCOUNT_CHARLIE }}
           VITE_ACCOUNT_ALICE: ${{ secrets.ACCOUNT_ALICE }}
+          VITE_ACCOUNT_BOB: ${{ secrets.ACCOUNT_BOB }}
           VITE_NETWORK: devnet
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..8e619a4
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+    "rust-analyzer.showUnlinkedFileNotification": false
+}
diff --git a/Cargo.lock b/Cargo.lock
index 84cd821..602b25a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -26,12 +26,9 @@ checksum = "1f0d2da64a6a895d5a7e0724882825d50f83c13396b1b9f1878e19a024bab395"
 
 [[package]]
 name = "cc"
-version = "1.0.83"
+version = "1.0.92"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1174fb0b6ec23863f8b971027804a42614e347eafb0a95bf0b12cdae21fc4d0"
-dependencies = [
- "libc",
-]
+checksum = "2678b2e3449475e95b0aa6f9b506a28e61b3dc8996592b983695e8ebb58a8b41"
 
 [[package]]
 name = "cfg-if"
@@ -84,7 +81,7 @@ dependencies = [
 [[package]]
 name = "ckb-transaction-cobuild"
 version = "0.1.0"
-source = "git+https://github.com/cryptape/ckb-transaction-cobuild-poc?rev=bdb0c74#bdb0c745a76c1aa349a0e881ad4ccdd4af286723"
+source = "git+https://github.com/cryptape/ckb-transaction-cobuild-poc?rev=e29514f#bdb0c745a76c1aa349a0e881ad4ccdd4af286723"
 dependencies = [
  "blake2b-ref",
  "ckb-gen-types",
@@ -175,12 +172,6 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "131bddab59a64213cc1e9f0c5be010d7eb485951358ab7e52017888dec482028"
 
-[[package]]
-name = "libc"
-version = "0.2.151"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "302d7ab3130588088d277783b1e2d2e10c9e9e4a16dd9050e6ec93fb3e7048f4"
-
 [[package]]
 name = "memchr"
 version = "2.7.1"
diff --git a/contracts/spore/Cargo.toml b/contracts/spore/Cargo.toml
index d85096a..8340638 100644
--- a/contracts/spore/Cargo.toml
+++ b/contracts/spore/Cargo.toml
@@ -12,7 +12,7 @@ spore-types = { path = "../../lib/types" }
 spore-utils = { path = "../../lib/utils" }
 spore-errors = { path = "../../lib/errors" }
 kmp = { version = "0.1.1" }
-ckb-transaction-cobuild = { git = "https://github.com/cryptape/ckb-transaction-cobuild-poc", rev = "bdb0c74" }
+ckb-transaction-cobuild = { git = "https://github.com/cryptape/ckb-transaction-cobuild-poc", rev = "e29514f" }
 
 [build-dependencies]
 ckb-hash = "0.112.1"
diff --git a/lib/utils/Cargo.toml b/lib/utils/Cargo.toml
index c7cd0a1..3ac639c 100644
--- a/lib/utils/Cargo.toml
+++ b/lib/utils/Cargo.toml
@@ -9,4 +9,4 @@ edition = "2021"
 ckb-std = "0.14.0"
 spore-types = { path = "../types" }
 spore-errors = { path = "../errors" }
-ckb-transaction-cobuild = { git = "https://github.com/cryptape/ckb-transaction-cobuild-poc", rev = "bdb0c74" }
+ckb-transaction-cobuild = { git = "https://github.com/cryptape/ckb-transaction-cobuild-poc", rev = "e29514f" }
diff --git a/tests/Cargo.lock b/tests/Cargo.lock
index 5d46b9c..937145d 100644
--- a/tests/Cargo.lock
+++ b/tests/Cargo.lock
@@ -560,7 +560,7 @@ dependencies = [
 [[package]]
 name = "ckb-transaction-cobuild"
 version = "0.1.0"
-source = "git+https://github.com/cryptape/ckb-transaction-cobuild-poc?rev=bdb0c74#bdb0c745a76c1aa349a0e881ad4ccdd4af286723"
+source = "git+https://github.com/cryptape/ckb-transaction-cobuild-poc?rev=e29514f#bdb0c745a76c1aa349a0e881ad4ccdd4af286723"
 dependencies = [
  "blake2b-ref",
  "ckb-gen-types",
diff --git a/tests/Cargo.toml b/tests/Cargo.toml
index eedc990..f0ecc97 100644
--- a/tests/Cargo.toml
+++ b/tests/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-ckb-testtool = "0.10.0"
+ckb-testtool = "=0.10.0"
 ckb-sdk = "3.0.1"
 hex = { version = "0.4.3" }
 serde_json = "1.0"
diff --git a/tests/src/tests/mutant.rs b/tests/src/tests/mutant.rs
index 43b645d..80ce040 100644
--- a/tests/src/tests/mutant.rs
+++ b/tests/src/tests/mutant.rs
@@ -47,13 +47,15 @@ fn test_simple_mutant_mint() {
 fn test_simple_mutant_spore_mint_without_cluster() {
     let mut context = Context::default();
 
-    let lua_code = "print('hello world')";
+    let lua_code = "print('hello world with spore_ext_mode = ' .. spore_ext_mode)";
     let (tx, mutant_id) = build_single_mutant_celldep_tx(&mut context, lua_code, 1);
+    let normal_input = build_normal_input(&mut context);
 
     println!("mutant_id: {mutant_id:?}");
-    let content_type = format!("plain/test;mutant[]={}", hex::encode(mutant_id));
-    let (output_data, normal_input, spore_output, spore_celldep) = build_spore_output_materials(
+    let content_type = format!("plain/text;mutant[]={}", hex::encode(mutant_id));
+    let (output_data, spore_output, spore_celldep) = build_spore_output_materials(
         &mut context,
+        &normal_input,
         "mutant spore".as_bytes().to_vec(),
         &content_type,
         0,
@@ -73,3 +75,71 @@ fn test_simple_mutant_spore_mint_without_cluster() {
         .verify_tx(&tx, MAX_CYCLES)
         .expect("test mint mutant spore cell (no cluster)");
 }
+
+#[test]
+fn test_simple_mutant_spore_transfer() {
+    let mut context = Context::default();
+
+    let lua_code = "print('hello world with spore_ext_mode = ' .. spore_ext_mode)";
+    let (tx, mutant_id) = build_single_mutant_celldep_tx(&mut context, lua_code, 1);
+    let normal_input = &build_normal_input(&mut context);
+
+    let content_type = format!("plain/text;mutant[]={}", hex::encode(mutant_id));
+    let content = "mutant spore".as_bytes().to_vec();
+
+    // build spore in output
+    let (output_data, spore_output, spore_celldep) = build_spore_output_materials(
+        &mut context,
+        &normal_input,
+        content.clone(),
+        &content_type,
+        0,
+        None,
+    );
+
+    // build spore in input
+    let (_, spore_input, _) =
+        build_spore_input_materials(&mut context, &normal_input, content, &content_type, 0, None);
+
+    // build tx
+    let tx = tx
+        .as_advanced_builder()
+        .input(spore_input)
+        .output(spore_output)
+        .output_data(output_data.as_bytes().pack())
+        .cell_dep(spore_celldep)
+        .build();
+    let tx = context.complete_tx(tx);
+
+    context
+        .verify_tx(&tx, MAX_CYCLES)
+        .expect("test transfer mutant spore cell");
+}
+
+#[test]
+fn test_simple_mutant_spore_burn() {
+    let mut context = Context::default();
+
+    let lua_code = "print('hello world with spore_ext_mode = ' .. spore_ext_mode)";
+    let (tx, mutant_id) = build_single_mutant_celldep_tx(&mut context, lua_code, 1);
+    let normal_input = &build_normal_input(&mut context);
+
+    let content_type = format!("plain/text;mutant[]={}", hex::encode(mutant_id));
+    let content = "mutant spore".as_bytes().to_vec();
+
+    // build spore in input
+    let (_, spore_input, spore_celldep) =
+        build_spore_input_materials(&mut context, &normal_input, content, &content_type, 0, None);
+
+    // build tx
+    let tx = tx
+        .as_advanced_builder()
+        .input(spore_input)
+        .cell_dep(spore_celldep)
+        .build();
+    let tx = context.complete_tx(tx);
+
+    context
+        .verify_tx(&tx, MAX_CYCLES)
+        .expect("test burn mutant spore cell");
+}
diff --git a/tests/src/utils/mod.rs b/tests/src/utils/mod.rs
index fe01cc1..fa1c174 100644
--- a/tests/src/utils/mod.rs
+++ b/tests/src/utils/mod.rs
@@ -211,21 +211,38 @@ pub fn build_agent_materials(
 
 pub fn build_spore_output_materials(
     context: &mut Context,
+    normal_input: &CellInput,
     content: Vec<u8>,
     content_type: &str,
     out_index: usize,
     cluster_id: Option<[u8; 32]>,
-) -> (SporeData, CellInput, CellOutput, CellDep) {
+) -> (SporeData, CellOutput, CellDep) {
     let (spore_out_point, spore_script_dep) = build_spore_contract_materials(context, "spore");
     let output_data =
         build_serialized_spore_data(content, content_type, cluster_id.map(|v| v.to_vec()));
 
-    let normal_input = build_normal_input(context);
-    let type_id = build_type_id(&normal_input, out_index);
+    let type_id = build_type_id(normal_input, out_index);
     let spore_type = build_spore_type_script(context, &spore_out_point, type_id.to_vec().into());
     let spore_output = build_normal_output_cell_with_type(context, spore_type.clone());
 
-    (output_data, normal_input, spore_output, spore_script_dep)
+    (output_data, spore_output, spore_script_dep)
+}
+
+pub fn build_spore_input_materials(
+    context: &mut Context,
+    normal_input: &CellInput,
+    content: Vec<u8>,
+    content_type: &str,
+    out_index: usize,
+    cluster_id: Option<[u8; 32]>,
+) -> (SporeData, CellInput, CellDep) {
+    let (spore_out_point, spore_script_dep) = build_spore_contract_materials(context, "spore");
+    let type_id = build_type_id(&normal_input, out_index);
+    let spore_data =
+        build_serialized_spore_data(content, &content_type, cluster_id.map(|v| v.to_vec()));
+    let spore_type = build_spore_type_script(context, &spore_out_point, type_id.to_vec().into());
+    let spore_input = build_spore_input(context, spore_type.clone(), spore_data.clone());
+    (spore_data, spore_input, spore_script_dep)
 }
 
 pub fn build_single_spore_mint_tx_with_extra_action(