diff --git a/sources/tech/20200223 The Zen of Go.md b/sources/tech/20200223 The Zen of Go.md
index 249c3790cd..c4143aed32 100644
--- a/sources/tech/20200223 The Zen of Go.md	
+++ b/sources/tech/20200223 The Zen of Go.md	
@@ -1,5 +1,5 @@
 [#]: collector: (lujun9972)
-[#]: translator: ( chensanle )
+[#]: translator: ( )
 [#]: reviewer: ( )
 [#]: publisher: ( )
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diff --git a/sources/tech/20210104 Network address translation part 1 - packet tracing.md b/sources/tech/20210104 Network address translation part 1 - packet tracing.md
index a1cfd4de2c..850b4f9e1c 100644
--- a/sources/tech/20210104 Network address translation part 1 - packet tracing.md	
+++ b/sources/tech/20210104 Network address translation part 1 - packet tracing.md	
@@ -1,5 +1,5 @@
 [#]: collector: (lujun9972)
-[#]: translator: (amwps290)
+[#]: translator: ( )
 [#]: reviewer: ( )
 [#]: publisher: ( )
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diff --git a/sources/tech/20210115 Review of Container-to-Container Communications in Kubernetes.md b/sources/tech/20210115 Review of Container-to-Container Communications in Kubernetes.md
index c79503bbc9..0c18578a9c 100644
--- a/sources/tech/20210115 Review of Container-to-Container Communications in Kubernetes.md	
+++ b/sources/tech/20210115 Review of Container-to-Container Communications in Kubernetes.md	
@@ -1,5 +1,5 @@
 [#]: collector: (lujun9972)
-[#]: translator: (MZqk)
+[#]: translator: ( )
 [#]: reviewer: ( )
 [#]: publisher: ( )
 [#]: url: ( )
diff --git a/sources/tech/20210204 A guide to understanding Linux software libraries in C.md b/sources/tech/20210204 A guide to understanding Linux software libraries in C.md
index fe977cd22f..bfb9d0a880 100644
--- a/sources/tech/20210204 A guide to understanding Linux software libraries in C.md	
+++ b/sources/tech/20210204 A guide to understanding Linux software libraries in C.md	
@@ -1,5 +1,5 @@
 [#]: collector: (lujun9972)
-[#]: translator: (mengxinayan)
+[#]: translator: ( )
 [#]: reviewer: ( )
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 [#]: url: ( )
diff --git a/sources/tech/20210210 How to Add Fingerprint Login in Ubuntu and Other Linux Distributions.md b/sources/tech/20210210 How to Add Fingerprint Login in Ubuntu and Other Linux Distributions.md
index dcf6c9a3ae..c2cea8fdcc 100644
--- a/sources/tech/20210210 How to Add Fingerprint Login in Ubuntu and Other Linux Distributions.md	
+++ b/sources/tech/20210210 How to Add Fingerprint Login in Ubuntu and Other Linux Distributions.md	
@@ -1,5 +1,5 @@
 [#]: collector: (lujun9972)
-[#]: translator: (scvoet)
+[#]: translator: ( )
 [#]: reviewer: ( )
 [#]: publisher: ( )
 [#]: url: ( )
diff --git a/sources/tech/20210214 Why programmers love Linux packaging.md b/sources/tech/20210214 Why programmers love Linux packaging.md
index bb82a93193..837b4a2aed 100644
--- a/sources/tech/20210214 Why programmers love Linux packaging.md	
+++ b/sources/tech/20210214 Why programmers love Linux packaging.md	
@@ -1,5 +1,5 @@
 [#]: collector: (lujun9972)
-[#]: translator: (Tracygcz)
+[#]: translator: ( )
 [#]: reviewer: ( )
 [#]: publisher: ( )
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diff --git a/sources/tech/20210222 A friendly guide to the syntax of C-- method pointers.md b/sources/tech/20210222 A friendly guide to the syntax of C-- method pointers.md
index 36600f7f63..2f059ce95e 100644
--- a/sources/tech/20210222 A friendly guide to the syntax of C-- method pointers.md	
+++ b/sources/tech/20210222 A friendly guide to the syntax of C-- method pointers.md	
@@ -1,5 +1,5 @@
 [#]: collector: (lujun9972)
-[#]: translator: (MjSeven)
+[#]: translator: ( )
 [#]: reviewer: ( )
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 [#]: url: ( )
diff --git a/sources/tech/20210308 Cast your Android device with a Raspberry Pi.md b/sources/tech/20210308 Cast your Android device with a Raspberry Pi.md
index 189ed359d4..218bdb488e 100644
--- a/sources/tech/20210308 Cast your Android device with a Raspberry Pi.md	
+++ b/sources/tech/20210308 Cast your Android device with a Raspberry Pi.md	
@@ -2,7 +2,7 @@
 [#]: via: (https://opensource.com/article/21/3/android-raspberry-pi)
 [#]: author: (Sudeshna Sur https://opensource.com/users/sudeshna-sur)
 [#]: collector: (lujun9972)
-[#]: translator: ( RiaXu)
+[#]: translator: ( )
 [#]: reviewer: ( )
 [#]: publisher: ( )
 [#]: url: ( )