diff --git a/.gitignore b/.gitignore
index d28db1d..8596bee 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,5 @@ node_modules
 .idea
 dist
 release.tgz
-.vscode/
\ No newline at end of file
+.vscode/
+packed
diff --git a/package.json b/package.json
index 7b908ca..776bd8b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "crypto-coin-kit",
-  "version": "0.2.27",
+  "version": "0.2.29",
   "description": "crypto coin kit for common coins",
   "main": "./dist/index.js",
   "scripts": {
diff --git a/src/EOS/index.ts b/src/EOS/index.ts
index 1f04979..bb4a554 100644
--- a/src/EOS/index.ts
+++ b/src/EOS/index.ts
@@ -219,7 +219,7 @@ export class EOS implements Coin {
   };
 
   private getExpiration = (txHeader: Header) => {
-    const expireInSeconds = txHeader.expireInSeconds || 300;
+    const expireInSeconds = txHeader.expireInSeconds || 1800;
     return new Date(txHeader.time + expireInSeconds * 1000)
       .toISOString()
       .split('.')[0];
diff --git a/src/IOST/index.ts b/src/IOST/index.ts
index aee5ffb..e8d2d75 100644
--- a/src/IOST/index.ts
+++ b/src/IOST/index.ts
@@ -100,7 +100,7 @@ export class IOST implements Coin {
     tx.amount_limit = [{token: '*', value: 'unlimited'}];
     tx.publisher = from;
     tx.time = txData.timestamp * 1e6;
-    tx.expiration = tx.time + (txData.expiration || 300) * 1e9;
+    tx.expiration = tx.time + (txData.expiration || 1800) * 1e9;
     tx.delay = 0;
     const hash = tx._publish_hash();
     return {tx, hash};
diff --git a/src/__tests__/coins/IOST.test.ts b/src/__tests__/coins/IOST.test.ts
index 2e1bdb3..6c77753 100644
--- a/src/__tests__/coins/IOST.test.ts
+++ b/src/__tests__/coins/IOST.test.ts
@@ -11,6 +11,7 @@ const txData = {
   memo: '',
   amount: '1',
   timestamp: 1579152770678,
+  expiration: 300,
 };
 
 describe('Coin.IOST', () => {
diff --git a/tsconfig.dot.json b/tsconfig.dot.json
index cfa497a..8a050e7 100644
--- a/tsconfig.dot.json
+++ b/tsconfig.dot.json
@@ -63,6 +63,6 @@
     // "experimentalDecorators": true,        /* Enables experimental support for ES7 decorators. */
     // "emitDecoratorMetadata": true,         /* Enables experimental support for emitting type metadata for decorators. */
   },
-  "include": ["src/DOT"],
+  "include": ["src/DOT", "src/index.ts", "src/third-party-types/**/*"],
   "exclude": ["node_modules", "**/__tests__/*"]
 }