diff --git a/src/modules/apigw/entities/application.ts b/src/modules/apigw/entities/application.ts
index c26f8224..1e3bc239 100644
--- a/src/modules/apigw/entities/application.ts
+++ b/src/modules/apigw/entities/application.ts
@@ -70,14 +70,38 @@ export default class AppEntity {
     // 2. bind api to app
     console.log(`Binding api(${apiId}) to application(${appDetail.id})`);
 
-    await this.request({
-      Action: 'BindApiApp',
-      ApiAppId: appDetail.id,
-      ApiId: apiId,
-      Environment: environment,
+    // 绑定应用到API接口不支持可重入，第二次绑定会报错。
+    // 解决方法是查询Api绑定的应用列表 已经绑定直接跳过，未绑定执行绑定流程
+    const apiAppRes: {
+      ApiAppApiSet: {
+        ApiAppId: string;
+        ApiAppName: string;
+        ApiId: string;
+        ServiceId: string;
+        ApiRegion: string;
+        EnvironmentName: string;
+        AuthorizedTime: string;
+      }[];
+    } = await this.request({
+      Action: 'DescribeApiBindApiAppsStatus',
       ServiceId: serviceId,
+      ApiIds: [apiId],
+    });
+    const isBinded = apiAppRes.ApiAppApiSet.find((item) => {
+      return item.ApiAppId === appDetail.id;
     });
 
+    if (!isBinded) {
+      await this.request({
+        Action: 'BindApiApp',
+        ApiAppId: appDetail.id,
+        ApiId: apiId,
+        Environment: environment,
+        ServiceId: serviceId,
+      });
+      console.log('BindApiApp success');
+    }
+
     return appDetail;
   }
 
diff --git a/src/modules/cos/index.ts b/src/modules/cos/index.ts
index f96bc4e9..f59581a8 100644
--- a/src/modules/cos/index.ts
+++ b/src/modules/cos/index.ts
@@ -524,8 +524,9 @@ export default class Cos {
       const items = traverseDirSync(inputs.dir);
 
       let key;
-      const promises: Promise<PutObjectResult>[] = [];
-      items.forEach((item) => {
+      let promises: Promise<PutObjectResult>[] = [];
+      for (let i = 0; i < items.length; i++) {
+        const item = items[i];
         // 如果是文件夹跳过
         if (item.stats.isDirectory()) {
           return;
@@ -547,11 +548,25 @@ export default class Cos {
           Body: fs.createReadStream(item.path),
         };
         promises.push(this.cosClient.putObject(itemParams));
-      });
-      try {
-        await Promise.all(promises);
-      } catch (err) {
-        throw constructCosError(`API_COS_putObject`, err);
+        // fs.createReadStream(item.path) 会一直打开文件，当文件超过1024会报错
+        // 解决方案是分段请求，超过100请求一次，请求后会自动关闭文件
+        if (promises.length >= 100) {
+          try {
+            await Promise.all(promises);
+            promises = [];
+          } catch (err) {
+            throw constructCosError(`API_COS_putObject`, err);
+          }
+        }
+      }
+      // 循环结束后可能还有不足100的文件，此时需要单独再上传
+      if (promises.length >= 1) {
+        try {
+          await Promise.all(promises);
+          promises = [];
+        } catch (err) {
+          throw constructCosError(`API_COS_putObject`, err);
+        }
       }
     } else if (inputs.file && (await fs.existsSync(inputs.file))) {
       /** 上传文件 */
diff --git a/src/modules/tag/index.ts b/src/modules/tag/index.ts
index 22a5b77c..3907f06b 100644
--- a/src/modules/tag/index.ts
+++ b/src/modules/tag/index.ts
@@ -247,6 +247,10 @@ export default class Tag {
         const oldTagVal = item.TagValue;
 
         if (String(inputTag.TagValue) !== String(oldTagVal)) {
+          // yml中 tagKey一样，tagVaule变化了 部署时会报错，解决方法是先解绑再绑定新的标签
+          detachTags.push({
+            TagKey: item.TagKey,
+          });
           attachTags.push(inputTag);
         } else {
           leftTags.push(item);