diff --git a/docs/en_us/3.1-PipelineProtocol.md b/docs/en_us/3.1-PipelineProtocol.md
index 50304c849..620ad2f00 100644
--- a/docs/en_us/3.1-PipelineProtocol.md
+++ b/docs/en_us/3.1-PipelineProtocol.md
@@ -583,15 +583,15 @@ Example:
         "exec": "my_exec.exe",
         "args": [
             "Haha",
-            "{Image}",
-            "{Node}",
-            "{Box}"
+            "{IMAGE}",
+            "{NODE}",
+            "{BOX}"
         ]
     }
 }
 ```
 
-The actual command will be executed
+The actual command is:
 
 ```bash
 my_exec.exe Haha C:/temp/123.png TaskA [0,0,0,0]
diff --git "a/docs/zh_cn/3.1-\344\273\273\345\212\241\346\265\201\346\260\264\347\272\277\345\215\217\350\256\256.md" "b/docs/zh_cn/3.1-\344\273\273\345\212\241\346\265\201\346\260\264\347\272\277\345\215\217\350\256\256.md"
index 0bd861f68..b7587a86d 100644
--- "a/docs/zh_cn/3.1-\344\273\273\345\212\241\346\265\201\346\260\264\347\272\277\345\215\217\350\256\256.md"
+++ "b/docs/zh_cn/3.1-\344\273\273\345\212\241\346\265\201\346\260\264\347\272\277\345\215\217\350\256\256.md"
@@ -593,9 +593,9 @@ Orange 的 next 中，
         "exec": "my_exec.exe",
         "args": [
             "Haha",
-            "{Image}",
-            "{Node}",
-            "{Box}"
+            "{IMAGE}",
+            "{NODE}",
+            "{BOX}"
         ]
     }
 }