diff --git a/docs-2.0-en/3.ngql-guide/7.general-query-statements/1.general-query-statements-overview.md b/docs-2.0-en/3.ngql-guide/7.general-query-statements/1.general-query-statements-overview.md
index ad671779631..cd009f4e3e5 100644
--- a/docs-2.0-en/3.ngql-guide/7.general-query-statements/1.general-query-statements-overview.md
+++ b/docs-2.0-en/3.ngql-guide/7.general-query-statements/1.general-query-statements-overview.md
@@ -11,7 +11,7 @@ NebulaGraph stores data in the form of vertices and edges. Each vertex can have
 The primary query statements in NebulaGraph fall into the following categories:
 <!-- no toc -->
 - [FETCH PROP ON](#fetch_prop_on)
-- [LOOKUP ON](#lookup_on_id)
+- [LOOKUP ON](#lookup_on)
 - [GO](#go)
 - [MATCH](#match)
 - [FIND PATH](#find_path)
@@ -38,14 +38,14 @@ The primary query statements in NebulaGraph fall into the following categories:
 
 ```ngql
 FETCH PROP ON player "player100" YIELD properties(vertex);
-              ──┬───  ────┬─────       ─────────┬──────── 
-                │         │         ┌───────────┘         
-                │         │         │                     
-                │         │         └─────── Returns all properties under the player tag of the vertex.
-                │         │                               
-                │         └───────────────── Retrieves from the vertex "player100".
-                │                                         
-                └─────────────────────────── Retrieves properties under the player tag.
+              --+---  ----+-----       -------+----------
+                |         |                   |
+                |         |                   |
+                |         |                   +--------- Returns all properties under the player tag of the vertex.
+                |         |
+                |         +----------------- Retrieves from the vertex "player100".
+                |
+                +--------------------------- Retrieves properties under the player tag.
 ```
 
 For more information, see [FETCH PROP ON](4.fetch.md).
@@ -65,14 +65,14 @@ For more information, see [FETCH PROP ON](4.fetch.md).
 
 ```ngql
 LOOKUP ON player WHERE player.name == "Tony Parker" YIELD id(vertex);
-          ──┬───  ──────┬──────────────────────────  ──┬──────       
-            │           │          ┌───────────────────┘             
-            │           │          │                                 
-            │           │          └──────────── Returns the VID of the found vertex.
-            │           │                                            
-            │           └─────────────────────── Filtering is based on the value of the property name.
-            │                                                        
-            └─────────────────────────────────── Queries based on the player tag.
+          --+--- ------------------+---------------       ---+------
+            |                      |                         |
+            |                      |                         |
+            |                      |                         +---- Returns the VID of the retrieved vertex.
+            |                      |
+            |                      +------------ Filtering is based on the value of the property name.
+            |
+            +----------------------------------- Queries based on the player tag.
 ```
 
 For more information, see [LOOKUP ON](5.lookup.md).
@@ -85,22 +85,22 @@ For more information, see [LOOKUP ON](5.lookup.md).
 **Note:**
 - Use [property reference symbols](../5.operators/5.property-reference.md) (`$^` and `$$`) to return properties of the starting or target vertices, e.g., `YIELD $^.player.name`.
 - Use the functions `properties($^)` and `properties($$)` to return all properties of the starting or target vertices. Specify property names in the function to return specific properties, e.g., `YIELD properties($^).name`.
-- Use the functions `src(edge)` and `dst(edge)` to return the starting or target vertex ID of an edge, e.g., `YIELD src(edge)`.
+- Use the functions `src(edge)` and `dst(edge)` to return the starting or destination vertex ID of an edge, e.g., `YIELD src(edge)`.
 
 **Example:**
 
 ```ngql
 GO 3 STEPS FROM "player102" OVER follow YIELD dst(edge);
-   ───┬───      ───┬───────      ─┬────       ──┬────── 
-      │            │              │   ┌─────────┘       
-      │            │              │   │                 
-      │            │              │   └── Returns the target vertex of the last edge
-      │            │              │                     
-      │            │              └────── Traverses out via the edge follow
-      │            │                                    
-      │            └───────────────────── Starts from "player102"
-      │                                                 
-      └────────────────────────────────── Traverses 3 steps
+-----+---       --+-------       -+----       ---+-----
+     |            |               |              |
+     |            |               |              |
+     |            |               |              +--------- Returns the destination vertex of the last hop.
+     |            |               |
+     |            |               +------ Traverses out via the edge follow.
+     |            |
+     |            +--------------------- Starts from "player102".
+     |
+     +---------------------------------- Traverses 3 steps.
 ```
 
 For more information, see [GO](3.go.md).
@@ -141,17 +141,17 @@ For more information, see [MATCH](2.match.md).
 
 ```ngql
 FIND SHORTEST PATH FROM "player102" TO "team204" OVER * YIELD path AS p;
-     ──┬─────            ───────────┬─────────── ───┬───      ────┬────
-       │           ┌────────────────┘               │             │ 
-       │           │     ┌──────────────────────────┘             │
-       │           │     │                                        │
-       │           │     └Travels outwards via all types of edges └──── Returns the path as 'p'
-       │           │                                              
-       │           └──────From the given starting and target VIDs            
-       │                                                   
-       │    
-       │                                                    
-       └──────────────────Retrieves the shortest path
+-------+-----           -------+---------------- ---+--       ----+----
+       |                       |                    |             |
+       |                       |                    |             |
+       |                       |                    |             +---------- Returns the path as 'p'.
+       |                       |                    |
+       |                       |                    +----------- Travels outwards via all types of edges.
+       |                       |    
+       |                       |
+       |                       +------------------ From the given starting and target VIDs.  
+       |
+       +--------------------------- Retrieves the shortest path.
 ```
 
 For more information, see [FIND PATH](6.find-path.md).
@@ -167,13 +167,13 @@ For more information, see [FIND PATH](6.find-path.md).
 **Example:**
 
 ```ngql
-GET SUBGRAPH 5 STEPS FROM "player101" YIELD VERTICES AS nodes, EDGES AS relationships;           
-             ───┬─── ─────┬──────────       ──────────────────────────┬──────────────── 
-                │         │                                           │
-                │         │                                           │
-                │         └─────── Starts from "player101"            └ Returns all vertices and edges
-                │                                 
-                └───────────────── Gets exploration of 5 steps
+GET SUBGRAPH 5 STEPS FROM "player101" YIELD VERTICES AS nodes, EDGES AS relationships;
+             -----+- -----+--------         ------------------------+----------------
+                  |       |                                         |
+                  |       |                                         |
+                  |       +------- Starts from "player101".         +------------ Returns all vertices and edges.
+                  |
+                  +----------------- Gets exploration of 5 steps     
                                                
 ```
 
diff --git a/docs-2.0-en/3.ngql-guide/7.general-query-statements/3.go.md b/docs-2.0-en/3.ngql-guide/7.general-query-statements/3.go.md
index e915cd09425..6bc87ffff07 100644
--- a/docs-2.0-en/3.ngql-guide/7.general-query-statements/3.go.md
+++ b/docs-2.0-en/3.ngql-guide/7.general-query-statements/3.go.md
@@ -152,6 +152,26 @@ nebula> GO FROM "player100", "player102" OVER serve \
 +-----------------+------------+---------------------+
 ```
 
+### To query all edges
+
+Case: To query all edges that are connected to the starting vertex.
+
+```ngql
+# Return all edges that are connected to the player102 vertex.
+nebula> GO FROM "player102" OVER * BIDIRECT YIELD edge AS e;
++-----------------------------------------------------------------------+
+| e                                                                     |
++-----------------------------------------------------------------------+
+| [:follow "player101"->"player102" @0 {degree: 90}]                    |
+| [:follow "player103"->"player102" @0 {degree: 70}]                    |
+| [:follow "player135"->"player102" @0 {degree: 80}]                    |
+| [:follow "player102"->"player100" @0 {degree: 75}]                    |
+| [:follow "player102"->"player101" @0 {degree: 75}]                    |
+| [:serve "player102"->"team203" @0 {end_year: 2015, start_year: 2006}] |
+| [:serve "player102"->"team204" @0 {end_year: 2019, start_year: 2015}] |
++-----------------------------------------------------------------------+
+```
+
 ### To query multiple edge types
 
 Case: To query multiple edge types that are connected to the starting vertex. You can specify multiple edge types or the `*` symbol to query multiple edge types.
diff --git a/docs-2.0-zh/3.ngql-guide/7.general-query-statements/1.general-query-statements-overview.md b/docs-2.0-zh/3.ngql-guide/7.general-query-statements/1.general-query-statements-overview.md
index d1af3b2ba77..a8be785022b 100644
--- a/docs-2.0-zh/3.ngql-guide/7.general-query-statements/1.general-query-statements-overview.md
+++ b/docs-2.0-zh/3.ngql-guide/7.general-query-statements/1.general-query-statements-overview.md
@@ -11,7 +11,7 @@
 {{nebula.name}} 的核心查询语句可分为:
 <!-- no toc -->
 - [FETCH PROP ON](#fetch_prop_on)
-- [LOOKUP ON](#lookup_on_id)
+- [LOOKUP ON](#lookup_on)
 - [GO](#go)
 - [MATCH](#match)
 - [FIND PATH](#find_path)
@@ -38,17 +38,17 @@
 
 ```ngql
 FETCH PROP ON player "player100" YIELD properties(vertex);
-              ──┬───  ────┬─────       ─────────┬──────── 
-                │         │         ┌───────────┘         
-                │         │         │                     
-                │         │         └─────── 返回点的 player TAG 下所有属性
-                │         │                               
-                │         └───────────────── 从 "player100" 这个点获取
-                │                                         
-                └─────────────────────────── 获取 player 这个 TAG 下的属性
+              --+---  ----+-----       -------+----------
+                |         |                   |
+                |         |                   |
+                |         |                   +--------- 返回点的 player TAG 下所有属性
+                |         |
+                |         +----------------- 从 "player100" 这个点获取
+                |
+                +--------------------------- 获取 player 这个 TAG 下的属性
 ```
 
-更多信息,请参见[FETCH PROP ON](4.fetch.md)。
+更多信息,请参见 [FETCH PROP ON](4.fetch.md)。
 
 ### LOOKUP ON
 
@@ -66,17 +66,17 @@ FETCH PROP ON player "player100" YIELD properties(vertex);
 
 ```ngql
 LOOKUP ON player WHERE player.name == "Tony Parker" YIELD id(vertex);
-          ──┬───  ──────┬──────────────────────────  ──┬──────       
-            │           │          ┌───────────────────┘             
-            │           │          │                                 
-            │           │          └──────────── 返回查到点的 VID
-            │           │                                            
-            │           └─────────────────────── 过滤条件是属性 name 的值
-            │                                                        
-            └─────────────────────────────────── 根据点的 TAG player 查询
+          --+--- ------------------+---------------       ---+------
+            |                      |                         |
+            |                      |                         |
+            |                      |                         +---- 返回查到点的 VID
+            |                      |
+            |                      +------------ 过滤条件是属性 name 的值
+            |
+            +----------------------------------- 根据点的 TAG player 查询
 ```
 
-更多信息,请参见[LOOKUP ON](5.lookup.md)。
+更多信息,请参见 [LOOKUP ON](5.lookup.md)。
 
 ### GO
 
@@ -94,19 +94,19 @@ LOOKUP ON player WHERE player.name == "Tony Parker" YIELD id(vertex);
 
 ```ngql
 GO 3 STEPS FROM "player102" OVER follow YIELD dst(edge);
-   ───┬───      ───┬───────      ─┬────       ──┬────── 
-      │            │              │   ┌─────────┘       
-      │            │              │   │                 
-      │            │              │   └── 返回最后一跳边的终点
-      │            │              │                     
-      │            │              └────── 从 follow 这个边[出方向]探索
-      │            │                                    
-      │            └───────────────────── 起点是 "player102"
-      │                                                 
-      └────────────────────────────────── 探索 3 步
+-----+---       --+-------       -+----       ---+-----
+     |            |               |              |
+     |            |               |              |
+     |            |               |              +--------- 返回最后一跳边的终点
+     |            |               |
+     |            |               +------ 从 follow 这个边的出方向探索
+     |            |
+     |            +--------------------- 起点是 "player102"
+     |
+     +---------------------------------- 探索 3 步
 ```
 
-更多信息,请参见[GO](3.go.md)。
+更多信息,请参见 [GO](3.go.md)。
 
 ### MATCH
 
@@ -133,7 +133,7 @@ MATCH (v:player{name:"Tim Duncan"})--(v2:player) \
         RETURN v2.player.name AS Name;
 ```
 
-更多信息,请参见[MATCH](2.match.md)。
+更多信息,请参见 [MATCH](2.match.md)。
 
 ### FIND PATH 
 
@@ -147,20 +147,20 @@ MATCH (v:player{name:"Tim Duncan"})--(v2:player) \
 
 ```ngql
 FIND SHORTEST PATH FROM "player102" TO "team204" OVER * YIELD path AS p;
-     ──┬─────            ───────────┬─────────── ───┬───      ────┬────
-       │           ┌────────────────┘               │             │ 
-       │           │     ┌──────────────────────────┘             │
-       │           │     │                                        │
-       │           │     └───────── 经由所有类型的边出向探索          └──── 返回路径为 p 列
-       │           │                                              
-       │           └─────────────── 从给定的起点、终点 VID           
-       │                                                   
-       │    
-       │                                                    
-       └─────────────────────────── 查找最短路径
+-------+-----           -------+---------------- ---+--       ----+----
+       |                       |                    |             |
+       |                       |                    |             |
+       |                       |                    |             +---------- 返回路径为 p 列
+       |                       |                    |
+       |                       |                    +----------- 经由所有类型的边的出方向探索
+       |                       |    
+       |                       |
+       |                       +------------------ 从给定的起点、终点 VID
+       |
+       +--------------------------- 查找最短路径
 ```
 
-更多信息,请参见[FIND PATH](6.find-path.md)。
+更多信息,请参见 [FIND PATH](6.find-path.md)。
 
 ### GET SUBGRAPH
 
@@ -173,17 +173,16 @@ FIND SHORTEST PATH FROM "player102" TO "team204" OVER * YIELD path AS p;
 **示例**:
 
 ```ngql
-GET SUBGRAPH 5 STEPS FROM "player101" YIELD VERTICES AS nodes, EDGES AS relationships;           
-             ───┬─── ─────┬──────────       ──────────────────────────┬──────────────── 
-                │         │                                           │
-                │         │                                           │
-                │         └─────── 从 "player101" 开始出发              └──── 返回所有的点、边
-                │                                 
-                └───────────────── 获取 5 步的探索
-                                               
+GET SUBGRAPH 5 STEPS FROM "player101" YIELD VERTICES AS nodes, EDGES AS relationships;
+             -----+- -----+--------         ------------------------+----------------
+                  |       |                                         |
+                  |       |                                         |
+                  |       +------- 从 "player101" 开始出发            +------------ 返回所有的点、边
+                  |
+                  +----------------- 获取 5 步的探索                                              
 ```
 
-更多信息,请参见[GET SUBGRAPH](7.get-subgraph.md)。
+更多信息,请参见 [GET SUBGRAPH](7.get-subgraph.md)。
 
 ### SHOW
 
diff --git a/docs-2.0-zh/3.ngql-guide/7.general-query-statements/3.go.md b/docs-2.0-zh/3.ngql-guide/7.general-query-statements/3.go.md
index f2f6e8c68d1..8189e20a601 100644
--- a/docs-2.0-zh/3.ngql-guide/7.general-query-statements/3.go.md
+++ b/docs-2.0-zh/3.ngql-guide/7.general-query-statements/3.go.md
@@ -146,6 +146,26 @@ nebula> GO FROM "player100", "player102" OVER serve \
 +-----------------+------------+---------------------+
 ```
 
+### 查询所有边
+
+场景:查询起始点关联的所有边。
+
+```ngql
+# 返回 player102 关联的所有边。
+nebula> GO FROM "player102" OVER * BIDIRECT YIELD edge AS e;
++-----------------------------------------------------------------------+
+| e                                                                     |
++-----------------------------------------------------------------------+
+| [:follow "player101"->"player102" @0 {degree: 90}]                    |
+| [:follow "player103"->"player102" @0 {degree: 70}]                    |
+| [:follow "player135"->"player102" @0 {degree: 80}]                    |
+| [:follow "player102"->"player100" @0 {degree: 75}]                    |
+| [:follow "player102"->"player101" @0 {degree: 75}]                    |
+| [:serve "player102"->"team203" @0 {end_year: 2015, start_year: 2006}] |
+| [:serve "player102"->"team204" @0 {end_year: 2019, start_year: 2015}] |
++-----------------------------------------------------------------------+
+```
+
 ### 查询多个 Edge type
 
 场景:查询起始点关联的多个边类型可以通过设置多个Edge Type实现,也可以通过设置`*`关联所有的边类型。