diff --git a/.changelog/3609.txt b/.changelog/3609.txt
new file mode 100644
index 0000000000..8eceb391c6
--- /dev/null
+++ b/.changelog/3609.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/tencentcloud_tcr_service_account: optimiz read function code logic.
+```
\ No newline at end of file
diff --git a/tencentcloud/services/tcr/service_tencentcloud_tcr.go b/tencentcloud/services/tcr/service_tencentcloud_tcr.go
index 1a15c87f2b..23ed112f86 100644
--- a/tencentcloud/services/tcr/service_tencentcloud_tcr.go
+++ b/tencentcloud/services/tcr/service_tencentcloud_tcr.go
@@ -1742,6 +1742,7 @@ func (me *TCRService) DescribeTcrServiceAccountById(ctx context.Context, registr
 	logId := tccommon.GetLogId(ctx)
 
 	request := tcr.NewDescribeServiceAccountsRequest()
+	response := tcr.NewDescribeServiceAccountsResponse()
 	request.RegistryId = &registryId
 
 	defer func() {
@@ -1750,14 +1751,27 @@ func (me *TCRService) DescribeTcrServiceAccountById(ctx context.Context, registr
 		}
 	}()
 
-	ratelimit.Check(request.GetAction())
+	err := resource.Retry(tccommon.ReadRetryTimeout, func() *resource.RetryError {
+		ratelimit.Check(request.GetAction())
+		result, e := me.client.UseTCRClient().DescribeServiceAccounts(request)
+		if e != nil {
+			return tccommon.RetryError(e)
+		} else {
+			log.Printf("[DEBUG]%s api[%s] success, request body [%s], response body [%s]\n", logId, request.GetAction(), request.ToJsonString(), result.ToJsonString())
+		}
+
+		if result == nil || result.Response == nil || result.Response.ServiceAccounts == nil {
+			return resource.NonRetryableError(fmt.Errorf("Describe tcr ServiceAccounts failed, Response is nil."))
+		}
+
+		response = result
+		return nil
+	})
 
-	response, err := me.client.UseTCRClient().DescribeServiceAccounts(request)
 	if err != nil {
 		errRet = err
 		return
 	}
-	log.Printf("[DEBUG]%s api[%s] success, request body [%s], response body [%s]\n", logId, request.GetAction(), request.ToJsonString(), response.ToJsonString())
 
 	if len(response.Response.ServiceAccounts) < 1 {
 		return
@@ -1790,14 +1804,22 @@ func (me *TCRService) DeleteTcrServiceAccountById(ctx context.Context, registryI
 		}
 	}()
 
-	ratelimit.Check(request.GetAction())
+	err := resource.Retry(tccommon.WriteRetryTimeout, func() *resource.RetryError {
+		ratelimit.Check(request.GetAction())
+		result, e := me.client.UseTCRClient().DeleteServiceAccount(request)
+		if e != nil {
+			return tccommon.RetryError(e)
+		} else {
+			log.Printf("[DEBUG]%s api[%s] success, request body [%s], response body [%s]\n", logId, request.GetAction(), request.ToJsonString(), result.ToJsonString())
+		}
+
+		return nil
+	})
 
-	response, err := me.client.UseTCRClient().DeleteServiceAccount(request)
 	if err != nil {
 		errRet = err
 		return
 	}
-	log.Printf("[DEBUG]%s api[%s] success, request body [%s], response body [%s]\n", logId, request.GetAction(), request.ToJsonString(), response.ToJsonString())
 
 	return
 }
@@ -1806,6 +1828,7 @@ func (me *TCRService) ModifyServiceAccountPassword(ctx context.Context, registry
 	logId := tccommon.GetLogId(ctx)
 
 	request := tcr.NewModifyServiceAccountPasswordRequest()
+	response := tcr.NewModifyServiceAccountPasswordResponse()
 	request.RegistryId = &registryId
 	request.Name = &name
 	request.Random = helper.Bool(false)
@@ -1817,17 +1840,31 @@ func (me *TCRService) ModifyServiceAccountPassword(ctx context.Context, registry
 		}
 	}()
 
-	ratelimit.Check(request.GetAction())
+	err := resource.Retry(tccommon.WriteRetryTimeout, func() *resource.RetryError {
+		ratelimit.Check(request.GetAction())
+		result, e := me.client.UseTCRClient().ModifyServiceAccountPassword(request)
+		if e != nil {
+			return tccommon.RetryError(e)
+		} else {
+			log.Printf("[DEBUG]%s api[%s] success, request body [%s], response body [%s]\n", logId, request.GetAction(), request.ToJsonString(), result.ToJsonString())
+		}
+
+		if result == nil || result.Response == nil {
+			return resource.NonRetryableError(fmt.Errorf("Modify tcr ServiceAccountPassword failed, Response is nil."))
+		}
+
+		response = result
+		return nil
+	})
 
-	response, err := me.client.UseTCRClient().ModifyServiceAccountPassword(request)
 	if err != nil {
 		errRet = err
 		return
 	}
-	log.Printf("[DEBUG]%s api[%s] success, request body [%s], response body [%s]\n", logId, request.GetAction(), request.ToJsonString(), response.ToJsonString())
 
 	if response.Response.Password != nil {
 		passwordResp = *response.Response.Password
 	}
+
 	return
 }