diff --git a/axzo-auth-spring-boot-starter/src/main/java/cn/axzo/framework/auth/service/ContextInfoBuilderAspect.java b/axzo-auth-spring-boot-starter/src/main/java/cn/axzo/framework/auth/service/ContextInfoBuilderAspect.java
index a577610..08e7265 100644
--- a/axzo-auth-spring-boot-starter/src/main/java/cn/axzo/framework/auth/service/ContextInfoBuilderAspect.java
+++ b/axzo-auth-spring-boot-starter/src/main/java/cn/axzo/framework/auth/service/ContextInfoBuilderAspect.java
@@ -28,11 +28,11 @@ import cn.axzo.framework.auth.domain.UserInfo;
 import cn.axzo.framework.auth.domain.UserInfoMap;
 import cn.axzo.framework.auth.enums.EnvEnum;
 import cn.azxo.framework.common.logger.logback.PodNamespacePropertyDefiner;
-import cn.azxo.framework.common.utils.StrUtil;
 import cn.hutool.core.bean.BeanUtil;
 import cn.hutool.core.codec.Base64;
 import cn.hutool.core.lang.TypeReference;
 import cn.hutool.core.text.CharSequenceUtil;
+import cn.hutool.core.util.StrUtil;
 import cn.hutool.http.HttpException;
 import cn.hutool.http.HttpRequest;
 import cn.hutool.json.JSONUtil;
@@ -180,7 +180,7 @@ public class ContextInfoBuilderAspect {
 		req.setHeaderSaasTenantId(contextInfo.getSaasTenantId());
 		req.setHeaderTenantId(contextInfo.getTenantId());
 		req.setHeaderWorkspaceId(contextInfo.getWorkspaceId());
-		req.setRequestParamProjectId(StrUtil.nullSafeParseLong(originalRequest.getParameter("projectId")));
+		req.setRequestParamProjectId(nullSafeParseLong(originalRequest.getParameter("projectId")));
 
 		return JSONUtil.toJsonStr(req);
 	}
@@ -215,10 +215,10 @@ public class ContextInfoBuilderAspect {
 
 		contextInfo.setToken(request.getHeader(AuthConstants.HEADER_TOKEN));
 		contextInfo.setTerminalInfo(new TerminalInfo(request.getHeader(AuthConstants.HEADER_TERMINAL)));
-		contextInfo.setTenantId(StrUtil.nullSafeParseLong(request.getHeader(AuthConstants.HEADER_TENANT_ID)));
-		contextInfo.setSaasTenantId(StrUtil.nullSafeParseLong(request.getHeader(AuthConstants.HEADER_SAAS_TENANT_ID)));
-		contextInfo.setOuId(StrUtil.nullSafeParseLong(request.getHeader(AuthConstants.HEADER_OU_ID)));
-		contextInfo.setWorkspaceId(StrUtil.nullSafeParseLong(request.getHeader(AuthConstants.HEADER_WORKSPACE_ID)));
+		contextInfo.setTenantId(nullSafeParseLong(request.getHeader(AuthConstants.HEADER_TENANT_ID)));
+		contextInfo.setSaasTenantId(nullSafeParseLong(request.getHeader(AuthConstants.HEADER_SAAS_TENANT_ID)));
+		contextInfo.setOuId(nullSafeParseLong(request.getHeader(AuthConstants.HEADER_OU_ID)));
+		contextInfo.setWorkspaceId(nullSafeParseLong(request.getHeader(AuthConstants.HEADER_WORKSPACE_ID)));
 
 		contextInfo.setVisitTo(request.getHeader(AuthConstants.VISIT_TO));
 	}
@@ -263,5 +263,16 @@ public class ContextInfoBuilderAspect {
 			contextInfo.setOuId(rsp.getOuId());
 		}
 	}
+	
+	public static Long nullSafeParseLong(String input) {
+		if(input == null)
+			return 0L;
+		if("".equals(input))
+			return 0L;
+		if("undefined".equals(input))
+			return 0L;
+		return Long.valueOf(input);
+	}
+
 
 }
diff --git a/common-common/src/main/java/cn/azxo/framework/common/utils/StrUtil.java b/common-common/src/main/java/cn/azxo/framework/common/utils/StrUtil.java
deleted file mode 100644
index b57743f..0000000
--- a/common-common/src/main/java/cn/azxo/framework/common/utils/StrUtil.java
+++ /dev/null
@@ -1,26 +0,0 @@
-package cn.azxo.framework.common.utils;
-
-
-/**
- * 
- * 原来的工具类名字太长了，我弄一个名字短一些的。
- * 把一些原来自己方便使用的小函数写几个在这里。
- * 
- * @author gaowei
- *
- */
-public abstract class StrUtil extends StringUtils {
-	public static String killNull(String input) {
-		if(input == null)
-			return "";
-		return input;
-	}
-	
-	public static Long nullSafeParseLong(String input) {
-		if(input == null)
-			return 0L;
-		if("".equals(input))
-			return 0L;
-		return Long.valueOf(input);
-	}
-}