diff --git a/src/main/java/com/supervision/police/controller/CaseEvidenceController.java b/src/main/java/com/supervision/police/controller/CaseEvidenceController.java
index de453ce..e86c213 100644
--- a/src/main/java/com/supervision/police/controller/CaseEvidenceController.java
+++ b/src/main/java/com/supervision/police/controller/CaseEvidenceController.java
@@ -58,7 +58,7 @@ public class CaseEvidenceController {
     @Operation(summary = "分页查询案件证据信息列表")
     @GetMapping("/pageListEvidence")
     public R<IPage<CaseEvidenceDetailDTO>> pageListEvidence(@RequestParam @Parameter(name = "caseId",description = "案件id") String caseId,
-                                                            @RequestParam @Parameter(name = "evidenceName",description = "证据名") String evidenceName,
+                                                            @RequestParam(required = false) @Parameter(name = "evidenceName",description = "证据名") String evidenceName,
                                                             @RequestParam(defaultValue = "1") @Parameter(name = "pageNum",description = "页码") Integer pageNum,
                                                             @RequestParam(defaultValue = "10") @Parameter(name = "pageSize",description = "每页数量") Integer pageSize) {
         IPage<CaseEvidenceDetailDTO> pageListEvidence = caseEvidenceService.pageListEvidence(caseId, evidenceName,pageNum, pageSize);