diff --git a/otel-simple-spring-data/src/main/java/org/chenmudu/otel/springdata/controller/OtelTestSpringDataController.java b/otel-simple-spring-data/src/main/java/org/chenmudu/otel/springdata/controller/OtelTestSpringDataController.java
index 9ba01e2..7ab8704 100644
--- a/otel-simple-spring-data/src/main/java/org/chenmudu/otel/springdata/controller/OtelTestSpringDataController.java
+++ b/otel-simple-spring-data/src/main/java/org/chenmudu/otel/springdata/controller/OtelTestSpringDataController.java
@@ -53,7 +53,7 @@ public class OtelTestSpringDataController {
 
     @GetMapping("/springData")
     public String springData() {
-        log.info("OtelTestSpringMvcController hello started!");
+        log.info("OtelTestSpringMvcController springData started!");
         //        this.dataMongoTest();
         //        this.dataRedisTest();
         //        this.dataJdbcTest();
diff --git a/otel-simple-webflux/src/main/java/org/chenmudu/otel/webflux/web/OtelTestWebFluxController.java b/otel-simple-webflux/src/main/java/org/chenmudu/otel/webflux/web/OtelTestWebFluxController.java
index d18ca32..f9554dd 100644
--- a/otel-simple-webflux/src/main/java/org/chenmudu/otel/webflux/web/OtelTestWebFluxController.java
+++ b/otel-simple-webflux/src/main/java/org/chenmudu/otel/webflux/web/OtelTestWebFluxController.java
@@ -31,7 +31,7 @@ public class OtelTestWebFluxController {
 
     /**
      * io.opentelemetry.javaagent.netty(servlet 容器变成了netty 容器。)
-     * io.opentelemetry.javaagent.spring-webflux (web-mvc变成了webflus)
+     * io.opentelemetry.javaagent.spring-webflux (web-mvc变成了webflux)
      *
      * @return string.
      */
diff --git a/otel-simple-webmvc/README.md b/otel-simple-webmvc/README.md
index e2e1ca2..f040a2e 100644
--- a/otel-simple-webmvc/README.md
+++ b/otel-simple-webmvc/README.md
@@ -1,6 +1,6 @@
 ### Open-Telemetry-Simple-Webmvc 案例工程
 
-> Open-Telemetry-Simple-Webmvc 实际测试了 servlet 以及 spring-webmvc。
+> Open-Telemetry-Simple-Webmvc 实际测试了 servlet 以及 spring-webmvc，同时如何对方法进行Span增强。
 
 ##### 测试模块快速开始
 
@@ -8,10 +8,6 @@
 
 2. 启动此模块[otel-simple-webmvc](https://github.com/chenmudu/open-telemetry-java-guides/tree/master/otel-simple-webmvc/src/main/java/org/chenmudu/otel/webmvc)下的WebMvcRunMain.
 
-3. 访问http://localhost:10001/hello。
+3. 访问http://localhost:10001/webmvc。
 
 4. Copy Console 中的 TraceId访问 http://localhost:16686/ 即可观测结果。
-
-##### 注意
-
-1. 当你使用想观测
\ No newline at end of file
diff --git a/otel-simple-webmvc/src/main/java/org/chenmudu/otel/webmvc/controller/OtelTestSpringMvcController.java b/otel-simple-webmvc/src/main/java/org/chenmudu/otel/webmvc/controller/OtelTestSpringMvcController.java
index 9fce068..51b8a7a 100644
--- a/otel-simple-webmvc/src/main/java/org/chenmudu/otel/webmvc/controller/OtelTestSpringMvcController.java
+++ b/otel-simple-webmvc/src/main/java/org/chenmudu/otel/webmvc/controller/OtelTestSpringMvcController.java
@@ -29,9 +29,9 @@
 @RestController
 public class OtelTestSpringMvcController {
 
-    @GetMapping("/hello")
-    public String hello() {
-        log.info("OtelTestSpringMvcController hello started!");
+    @GetMapping("/webmvc")
+    public String webmvc() {
+        log.info("OtelTestSpringMvcController webmvc started!");
         this.calledHi();
         return "OtelTestSpringMvcController hello !";
     }
diff --git a/pom.xml b/pom.xml
index f3d4fd8..1586acf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -62,6 +62,12 @@
                 <version>${lombok.version}</version>
             </dependency>
 
+            <dependency>
+                <groupId>io.opentelemetry</groupId>
+                <artifactId>opentelemetry-api</artifactId>
+                <version>${otel.version}</version>
+            </dependency>
+
             <dependency>
                 <groupId>io.opentelemetry</groupId>
                 <artifactId>opentelemetry-extension-annotations</artifactId>