diff --git a/include/util/taoserror.h b/include/util/taoserror.h
index ce8db162b6..0256a496df 100644
--- a/include/util/taoserror.h
+++ b/include/util/taoserror.h
@@ -124,6 +124,7 @@ int32_t* taosGetErrno();
 #define TSDB_CODE_INVALID_CFG_VALUE             TAOS_DEF_ERROR_CODE(0, 0x0133)
 
 #define TSDB_CODE_IP_NOT_IN_WHITE_LIST          TAOS_DEF_ERROR_CODE(0, 0x0134)
+#define TSDB_CODE_FAILED_TO_CONNECT_S3          TAOS_DEF_ERROR_CODE(0, 0x0135)
 
 //client
 #define TSDB_CODE_TSC_INVALID_OPERATION         TAOS_DEF_ERROR_CODE(0, 0x0200)
diff --git a/source/common/src/cos.c b/source/common/src/cos.c
index 1dca5eda9b..2a334a34b8 100644
--- a/source/common/src/cos.c
+++ b/source/common/src/cos.c
@@ -891,6 +891,8 @@ long s3Size(const char *object_name) {
 
   if ((cbd.status != S3StatusOK) && (cbd.status != S3StatusErrorPreconditionFailed)) {
     s3PrintError(__FILE__, __LINE__, __func__, cbd.status, cbd.err_msg);
+
+    return -1;
   }
 
   size = cbd.content_length;
diff --git a/source/dnode/vnode/src/tsdb/tsdbReaderWriter.c b/source/dnode/vnode/src/tsdb/tsdbReaderWriter.c
index 217df923ef..d36d15f9b4 100644
--- a/source/dnode/vnode/src/tsdb/tsdbReaderWriter.c
+++ b/source/dnode/vnode/src/tsdb/tsdbReaderWriter.c
@@ -26,7 +26,17 @@ static int32_t tsdbOpenFileImpl(STsdbFD *pFD) {
   if (pFD->pFD == NULL) {
     int         errsv = errno;
     const char *object_name = taosDirEntryBaseName((char *)path);
-    long        s3_size = tsS3Enabled ? s3Size(object_name) : 0;
+    long        s3_size = 0;
+    if (tsS3Enabled) {
+      long size = s3Size(object_name);
+      if (size < 0) {
+        code = terrno = TSDB_CODE_FAILED_TO_CONNECT_S3;
+        goto _exit;
+      }
+
+      s3_size = size;
+    }
+
     if (tsS3Enabled && !strncmp(path + strlen(path) - 5, ".data", 5) && s3_size > 0) {
 #ifndef S3_BLOCK_CACHE
       s3EvictCache(path, s3_size);
diff --git a/source/util/src/terror.c b/source/util/src/terror.c
index f310db53ef..8847b7d894 100644
--- a/source/util/src/terror.c
+++ b/source/util/src/terror.c
@@ -101,6 +101,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_APP_IS_STOPPING,              "Database is closing d
 TAOS_DEFINE_ERROR(TSDB_CODE_INVALID_DATA_FMT,             "Invalid data format")
 TAOS_DEFINE_ERROR(TSDB_CODE_INVALID_CFG_VALUE,            "Invalid configuration value")
 TAOS_DEFINE_ERROR(TSDB_CODE_IP_NOT_IN_WHITE_LIST,          "Not allowed to connect")
+TAOS_DEFINE_ERROR(TSDB_CODE_FAILED_TO_CONNECT_S3,          "Failed to connect to s3 server")
 
 //client
 TAOS_DEFINE_ERROR(TSDB_CODE_TSC_INVALID_OPERATION,        "Invalid operation")