diff --git a/Cargo.lock b/Cargo.lock
index eb7aabb7b8..b2ea9186d3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4505,9 +4505,9 @@ dependencies = [
 
 [[package]]
 name = "libsecp256k1"
-version = "0.7.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0452aac8bab02242429380e9b2f94ea20cea2b37e2c1777a1358799bbe97f37"
+checksum = "95b09eff1b35ed3b33b877ced3a691fc7a481919c7e29c53c906226fcf55e2a1"
 dependencies = [
  "arrayref",
  "base64 0.13.0",
diff --git a/cmd/airdrop/src/main.rs b/cmd/airdrop/src/main.rs
index f5a0523c4e..10519303b8 100644
--- a/cmd/airdrop/src/main.rs
+++ b/cmd/airdrop/src/main.rs
@@ -126,13 +126,56 @@ async fn main() -> Result<()> {
         .try_into()?;
     let is_stc = stc_type_tag().eq(&TypeTag::Struct(token_type.clone()));
 
+    let mut total_amount = 0u128;
     let airdrop_infos: Vec<AirdropInfo> = {
         let mut csv_reader = csv::ReaderBuilder::default()
             .has_headers(false)
             .from_path(airdrop_file.as_path())?;
         let mut leafs = Vec::with_capacity(4096);
-        for record in csv_reader.deserialize() {
-            let data: AirdropInfo = record?;
+        for (idx, record) in csv_reader.records().enumerate() {
+            let record = record?;
+            if record.iter().all(|part| part.trim().is_empty()) {
+                //just skip empty line
+                continue;
+            }
+            match record.len().cmp(&2) {
+                std::cmp::Ordering::Equal => {}
+                std::cmp::Ordering::Greater => {
+                    println!(
+                        "[WARN] invalid record: line {}, {:?}, ignore extra field.",
+                        idx, record
+                    );
+                }
+                std::cmp::Ordering::Less => {
+                    println!("[WARN] invalid record: line {}, {:?}, skip.", idx, record);
+                    continue;
+                }
+            }
+            let address = match AccountAddress::from_str(record[0].trim()) {
+                Ok(address) => address,
+                Err(err) => {
+                    if idx == 0 {
+                        println!("[INFO] skip header line: {}", record.as_slice());
+                    } else {
+                        println!(
+                            "[WARN] invalid record: line {}, {:?}, skip. {}",
+                            idx, record, err
+                        );
+                    }
+                    continue;
+                }
+            };
+            let amount = match u128::from_str(record[1].trim()) {
+                Ok(amount) => amount,
+                Err(err) => {
+                    println!(
+                        "[WARN] invalid record: line {}, {:?}, skip. {}",
+                        idx, record, err
+                    );
+                    continue;
+                }
+            };
+            let data = AirdropInfo { address, amount };
             if !is_stc && !is_accept_token(data.address, token_type.clone(), &state_client).await? {
                 println!(
                     "{} does not accepted the token {}, skip.",
@@ -140,11 +183,20 @@ async fn main() -> Result<()> {
                 );
                 continue;
             }
+            total_amount += data.amount;
             leafs.push(data);
         }
         leafs
     };
 
+    println!(
+        "airdrop {} token {} to {} addresses, total amount: {}",
+        token_type,
+        batch_size,
+        airdrop_infos.len(),
+        total_amount
+    );
+
     let private_key: AccountPrivateKey = {
         let pass = rpassword::prompt_password_stdout("Please Input Private Key: ")?;
         AccountPrivateKey::from_encoded_string(pass.trim())?
@@ -239,7 +291,7 @@ async fn main() -> Result<()> {
             }
         };
         if txn_info.status != TransactionStatusView::Executed {
-            eprintln!(
+            println!(
                 "txn {:?} error: {:?}, please resume from user: {}",
                 txn_hash,
                 txn_info,
diff --git a/scripts/import_snapshot.sh b/scripts/import_snapshot.sh
index 32dcb558ca..5030345ff5 100755
--- a/scripts/import_snapshot.sh
+++ b/scripts/import_snapshot.sh
@@ -42,12 +42,12 @@ function import_snapshot() {
 
   download "$net" "$from_dir"
 
-    ./starcoin_db_exporter apply-snapshot -i "$from_dir" -n "$net" -o "$to_dir"
-    case_status=$?
-    if [ $case_status -ne 0 ]; then
-      echo -e "apply-snapshot $net $from_dir fail"
-      exit $case_status
-    fi
+  ./starcoin_db_exporter apply-snapshot -i "$from_dir"/snapshot -n "$net" -o "$to_dir"
+  case_status=$?
+  if [ $case_status -ne 0 ]; then
+    echo -e "apply-snapshot $net $from_dir fail"
+    exit $case_status
+  fi
   echo -e "$net apply-snapshot succ"
 }
 
diff --git a/vm/natives/Cargo.toml b/vm/natives/Cargo.toml
index b46c918141..a5955c3b35 100644
--- a/vm/natives/Cargo.toml
+++ b/vm/natives/Cargo.toml
@@ -21,7 +21,7 @@ log = "0.4.14"
 walkdir = "2.3.1"
 smallvec = "1.8.1"
 tiny-keccak={version="2", features = ["keccak"]}
-libsecp256k1 = "0.7.0"
+libsecp256k1 = "0.7.1"
 arrayref = "0.3"
 ripemd160 = "0.9.1"
 num_enum = "0.5.7"