diff --git a/apm-sniffer/config/agent.config b/apm-sniffer/config/agent.config
index ee5118659904b74f8ed7f83a426ec62f489b65c6..d6fdf8557e616ac26aafea375c35e554542626ba 100644
--- a/apm-sniffer/config/agent.config
+++ b/apm-sniffer/config/agent.config
@@ -92,7 +92,7 @@ logging.level=${SW_LOGGING_LEVEL:INFO}
 # plugin.kafka.bootstrap_servers=${SW_KAFKA_BOOTSTRAP_SERVERS:localhost:9092}
 
 # Exclude activated plugins
-# plugin.exclude_plugins=${SW_EXCLUDE_PLUGINS:""}
+# plugin.exclude_plugins=${SW_EXCLUDE_PLUGINS:}
 
 # Match spring bean with regex expression for classname
-# plugin.springannotation.classname_match_regex_expression=${SW_SPRINGANNOTATION_CLASSNAME_MATCH_REGEX_EXPRESSION:""}
+# plugin.springannotation.classname_match_regex=${SW_SPRINGANNOTATION_CLASSNAME_MATCH_REGEX:}
diff --git a/apm-sniffer/optional-plugins/optional-spring-plugins/spring-annotation-plugin/src/main/java/org/apache/skywalking/apm/plugin/spring/annotations/AbstractSpringBeanInstrumentation.java b/apm-sniffer/optional-plugins/optional-spring-plugins/spring-annotation-plugin/src/main/java/org/apache/skywalking/apm/plugin/spring/annotations/AbstractSpringBeanInstrumentation.java
index 70ee287c1b612d9f85bb12b2e5d3a7841f305ee5..4bcea5855bba27e9e996e5424f86608cd406470e 100644
--- a/apm-sniffer/optional-plugins/optional-spring-plugins/spring-annotation-plugin/src/main/java/org/apache/skywalking/apm/plugin/spring/annotations/AbstractSpringBeanInstrumentation.java
+++ b/apm-sniffer/optional-plugins/optional-spring-plugins/spring-annotation-plugin/src/main/java/org/apache/skywalking/apm/plugin/spring/annotations/AbstractSpringBeanInstrumentation.java
@@ -34,7 +34,7 @@ import static net.bytebuddy.matcher.ElementMatchers.named;
 import static net.bytebuddy.matcher.ElementMatchers.not;
 import static org.apache.skywalking.apm.agent.core.plugin.match.ClassAnnotationMatch.byClassAnnotationMatch;
 import static org.apache.skywalking.apm.agent.core.plugin.match.RegexMatch.byRegexMatch;
-import static org.apache.skywalking.apm.plugin.spring.annotations.SpringAnnotationConfig.Plugin.SpringAnnotation.CLASSNAME_MATCH_REGEX_EXPRESSION;
+import static org.apache.skywalking.apm.plugin.spring.annotations.SpringAnnotationConfig.Plugin.SpringAnnotation.CLASSNAME_MATCH_REGEX;
 
 public abstract class AbstractSpringBeanInstrumentation extends ClassInstanceMethodsEnhancePluginDefine {
     private static final String INTERCEPTOR_CLASS = "org.apache.skywalking.apm.plugin.spring.annotations.SpringAnnotationInterceptor";
@@ -72,11 +72,11 @@ public abstract class AbstractSpringBeanInstrumentation extends ClassInstanceMet
 
     @Override
     protected ClassMatch enhanceClass() {
-        if (StringUtil.isEmpty(CLASSNAME_MATCH_REGEX_EXPRESSION)) {
+        if (StringUtil.isEmpty(CLASSNAME_MATCH_REGEX)) {
             return byClassAnnotationMatch(getEnhanceAnnotation());
         } else {
             return LogicalMatchOperation.and(
-                byRegexMatch(CLASSNAME_MATCH_REGEX_EXPRESSION.split(",")),
+                byRegexMatch(CLASSNAME_MATCH_REGEX.split(",")),
                 byClassAnnotationMatch(getEnhanceAnnotation())
             );
         }
diff --git a/apm-sniffer/optional-plugins/optional-spring-plugins/spring-annotation-plugin/src/main/java/org/apache/skywalking/apm/plugin/spring/annotations/SpringAnnotationConfig.java b/apm-sniffer/optional-plugins/optional-spring-plugins/spring-annotation-plugin/src/main/java/org/apache/skywalking/apm/plugin/spring/annotations/SpringAnnotationConfig.java
index 715e295372dd1553fe7cdaee5557b892020ac148..9eeb47ebe4c10962a73f22ed69a17a93121c4d95 100644
--- a/apm-sniffer/optional-plugins/optional-spring-plugins/spring-annotation-plugin/src/main/java/org/apache/skywalking/apm/plugin/spring/annotations/SpringAnnotationConfig.java
+++ b/apm-sniffer/optional-plugins/optional-spring-plugins/spring-annotation-plugin/src/main/java/org/apache/skywalking/apm/plugin/spring/annotations/SpringAnnotationConfig.java
@@ -28,7 +28,7 @@ public class SpringAnnotationConfig {
             /**
              * regex expression to match spring bean classname
              */
-            public static String CLASSNAME_MATCH_REGEX_EXPRESSION = "";
+            public static String CLASSNAME_MATCH_REGEX = "";
         }
     }
 }
\ No newline at end of file
diff --git a/docs/en/setup/service-agent/java-agent/README.md b/docs/en/setup/service-agent/java-agent/README.md
index cd0b5ec89f50f61e25d64cc07184f94fdc1ea4b9..ab29d19f2908865eaa1e919bf857e25adff49e98 100755
--- a/docs/en/setup/service-agent/java-agent/README.md
+++ b/docs/en/setup/service-agent/java-agent/README.md
@@ -153,7 +153,7 @@ property key | Description | Default |
 `plugin.kafka.topic_segment` | Specify which Kafka topic name for traces data to report to. | `skywalking_segments` |
 `plugin.kafka.topic_profilings` | Specify which Kafka topic name for Thread Profiling snapshot to report to. | `skywalking_profilings` |
 `plugin.kafka.topic_management` | Specify which Kafka topic name for the register or heartbeat data of Service Instance to report to. | `skywalking_managements` |
-`plugin.springannotation.classname_match_regex_expression` |  Match spring beans with regex expression for the class name. Multiple expressions could be separated by a comma. This only works when `Spring annotation plugin` has been activated. | `All the spring beans tagged with @Bean,@Service,@Dao, or @Repository.` |
+`plugin.springannotation.classname_match_regex` |  Match spring beans with regular expression for the class name. Multiple expressions could be separated by a comma. This only works when `Spring annotation plugin` has been activated. | `All the spring beans tagged with @Bean,@Service,@Dao, or @Repository.` |
 
 
 ## Optional Plugins