diff --git a/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/common/cache/LocalCache.java b/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/common/cache/LocalCache.java
index 9c23f8e3..98bbd56a 100644
--- a/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/common/cache/LocalCache.java
+++ b/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/common/cache/LocalCache.java
@@ -5,6 +5,7 @@ import com.google.common.cache.CacheBuilder;
 import org.jeecg.modules.entity.vo.PHDFile;
 import org.springframework.stereotype.Component;
 
+import java.util.Map;
 import java.util.concurrent.TimeUnit;
 
 @Component
@@ -30,4 +31,7 @@ public class LocalCache {
         this.phdCache = phdCache;
     }
 
+    public void deletePHDCache(String key){
+        this.phdCache.invalidate(key);
+    }
 }
diff --git a/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/controller/GammaController.java b/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/controller/GammaController.java
index 097ab0fd..2326c3af 100644
--- a/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/controller/GammaController.java
+++ b/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/controller/GammaController.java
@@ -1,8 +1,10 @@
 package org.jeecg.modules.controller;
 
+import com.google.common.cache.Cache;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import org.jeecg.common.api.vo.Result;
+import org.jeecg.common.cache.LocalCache;
 import org.jeecg.modules.base.bizVo.GammaRLR;
 import org.jeecg.modules.entity.vo.*;
 import org.jeecg.modules.feignclient.SystemClient;
@@ -15,6 +17,7 @@ import org.springframework.web.multipart.MultipartFile;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import java.util.List;
+import java.util.concurrent.ConcurrentMap;
 
 @RestController
 @RequestMapping("gamma")
@@ -52,6 +55,13 @@ public class GammaController {
     public Result gammaByFile(String fileName, HttpServletRequest request) {
         return gammaService.gammaByFile(fileName, request);
     }
+
+    @DeleteMapping("delPHDCache")
+    @ApiOperation(value = "删除PHD文件缓存", notes = "删除PHD文件缓存")
+    public void delPHDCache(@RequestParam String fileName) {
+        gammaService.delPHDCache(fileName);
+    }
+
     @GetMapping("Compare")
     public Result Compare(String fileName, String compareFileName, HttpServletRequest request) {
         return gammaService.Compare(fileName, compareFileName, request);
diff --git a/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/service/IGammaService.java b/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/service/IGammaService.java
index 6d1387c0..fac3a44d 100644
--- a/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/service/IGammaService.java
+++ b/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/service/IGammaService.java
@@ -20,6 +20,8 @@ public interface IGammaService{
 
     Result gammaByFile(String fileName, HttpServletRequest request);
 
+    void delPHDCache(String fileName);
+
     Result Compare(String fileName, String compareFileName, HttpServletRequest request);
 
     Result Strip(String fileName, String stripFileName, Double ratioRate, HttpServletRequest request);
diff --git a/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/service/impl/GammaServiceImpl.java b/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/service/impl/GammaServiceImpl.java
index 0b621631..8c61626c 100644
--- a/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/service/impl/GammaServiceImpl.java
+++ b/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/service/impl/GammaServiceImpl.java
@@ -807,6 +807,15 @@ public class GammaServiceImpl extends AbstractLogOrReport implements IGammaServi
         return result;
     }
 
+    @Override
+    public void delPHDCache(String fileName) {
+        LoginUser loginUser = (LoginUser)SecurityUtils.getSubject().getPrincipal();
+        String username = loginUser.getUsername();
+        String key = fileName + StrUtil.DASHED + username;
+        // 删除指定key的Cache
+        localCache.deletePHDCache(key);
+    }
+
     @Override
     public Result Compare(String fileName, String compareFileName, HttpServletRequest request) {
         Result result = new Result();