From f60e8552b4ab239dd41f392ffc05091f40143b86 Mon Sep 17 00:00:00 2001
From: Joe Zou <yixian.zou@gmail.com>
Date: Tue, 22 Sep 2020 11:38:20 +0800
Subject: [PATCH] Add: import code rule

---
 contributing.md | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/contributing.md b/contributing.md
index 9ee2dae32..51301511e 100644
--- a/contributing.md
+++ b/contributing.md
@@ -38,4 +38,27 @@ The title format of the pull request `MUST` follow the following rules:
 ### 3.3 comment
 
 >- 1 there should be comment for every export func/var.
->- 2 the comment should begin with function name/var name.
\ No newline at end of file
+>- 2 the comment should begin with function name/var name.
+
+### 3.4 import 
+
+We dubbogo import blocks should be splited into 3 blocks.
+
+```Go
+// block 1: the go internal package
+import (
+  "fmt"
+)
+
+// block 2: the third package
+import (
+  "github.com/dubbogo/xxx"
+  
+  "github.com/RoaringBitmap/roaring"
+)
+
+// block 3: the dubbo-go package
+import (
+  "github.com/apache/dubbo-go/common"
+) 
+```
\ No newline at end of file
-- 
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