diff --git a/docs/en_us/3.1-PipelineProtocol.md b/docs/en_us/3.1-PipelineProtocol.md
index da9d09cfb..eace76de5 100644
--- a/docs/en_us/3.1-PipelineProtocol.md
+++ b/docs/en_us/3.1-PipelineProtocol.md
@@ -61,6 +61,8 @@ This loop continues until the "next" of a task is empty, which signifies that th
 
 ## Property Fields
 
+**Note: For required fields, they can still be empty in the Pipeline JSON file and set through the interface before actual execution.**
+
 - `recognition`: *string*  
     Recognition algorithm type. Optional, default is `DirectHit`.  
     Possible values: `DirectHit` | `TemplateMatch` | `FeatureMatch` | `ColorMatch` | `OCR` | `NeuralNetworkClassify` | `NeuralNetworkDetect` | `Custom`.  
@@ -338,10 +340,10 @@ This task property requires additional fields:
     Same as `TemplateMatch`.`roi`.
 
 - `expected`: *string* | *list<string, >*  
-    The expected results, supports regular expressions. Required (unless set separately through the interface).
+    The expected results, supports regular expressions. Required.
 
 - `text`: *string* | *list<string, >*  
-    Deprecated, same as `expected`
+    Deprecated, same as `expected`.
 
 - `replace`: *array<string, 2>* | *list<array<string, 2>>*  
     Some text recognition results may not be accurate, so replacements are performed. Optional.
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 0fa2b60b0..a73fb2204 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"
@@ -66,6 +66,8 @@ Orange 的 next 中，
 
 ## 属性字段
 
+**注：对于必选字段，Pipeline JSON 文件中仍可为空，并在实际执行前通过接口设置。**
+
 - `recognition` : *string*  
     识别算法类型。可选，默认 `DirectHit`。  
     可选的值：`DirectHit` | `TemplateMatch` | `FeatureMatch` | `ColorMatch` | `OCR` | `NeuralNetworkClassify` | `NeuralNetworkDetect` | `Custom`  
@@ -342,13 +344,13 @@ graph LR;
 该任务属性需额外部分字段：
 
 - `roi`: *array<int, 4>* | *list<array<int, 4>>*  
-    同 `TemplateMatch`.`roi`
+    同 `TemplateMatch`.`roi`。
 
 - `expected`: *string* | *list<string, >*  
-    期望的结果，支持正则。必选（除非通过接口单独设置）。
+    期望的结果，支持正则。必选。
 
 - `text`: *string* | *list<string, >*  
-    已废弃，同 `expected`
+    已废弃，同 `expected`。
 
 - `replace`: *array<string, 2>* | *list<array<string, 2>>*  
     部分文字识别结果不准确，进行替换。可选。