diff --git a/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/emr/controller/StructuredEmrController.java b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/emr/controller/StructuredEmrController.java
index 7aedbf807..ba17eddd9 100644
--- a/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/emr/controller/StructuredEmrController.java
+++ b/healthlink-his-server/healthlink-his-application/src/main/java/com/healthlink/his/web/emr/controller/StructuredEmrController.java
@@ -72,8 +72,8 @@ public class StructuredEmrController {
     @GetMapping("/timeliness/statistics")
     @Operation(summary = "完成率统计")
     public R<Map<String, Object>> getCompletionStatistics(
-            @RequestParam String startDate,
-            @RequestParam String endDate) {
+            @RequestParam(required = false) String startDate,
+            @RequestParam(required = false) String endDate) {
         return R.ok(structuredEmrAppService.getCompletionStatistics(startDate, endDate));
     }
 
diff --git a/healthlink-his-server/healthlink-his-application/src/main/resources/db/migration/V40__emr_module_schema_fix.sql b/healthlink-his-server/healthlink-his-application/src/main/resources/db/migration/V40__emr_module_schema_fix.sql
new file mode 100644
index 000000000..e8a552532
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-application/src/main/resources/db/migration/V40__emr_module_schema_fix.sql
@@ -0,0 +1,79 @@
+-- V40: 修复EMR模块数据库表结构问题
+-- 1. emr_archive_record表：添加缺失的审计字段，修复NOT NULL约束
+-- 2. emr_search_index表：修复NOT NULL约束
+-- 3. emr_revision表：添加缺失的审计字段
+
+-- ==========================================
+-- 1. emr_archive_record 表修复
+-- ==========================================
+
+-- 添加缺失的审计字段（如果不存在）
+DO $$
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name = 'emr_archive_record' AND column_name = 'create_by') THEN
+        ALTER TABLE emr_archive_record ADD COLUMN create_by character varying;
+    END IF;
+    IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name = 'emr_archive_record' AND column_name = 'update_by') THEN
+        ALTER TABLE emr_archive_record ADD COLUMN update_by character varying;
+    END IF;
+    IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name = 'emr_archive_record' AND column_name = 'update_time') THEN
+        ALTER TABLE emr_archive_record ADD COLUMN update_time timestamp without time zone;
+    END IF;
+END $$;
+
+-- 修复NOT NULL约束
+ALTER TABLE emr_archive_record ALTER COLUMN emr_id DROP NOT NULL;
+ALTER TABLE emr_archive_record ALTER COLUMN patient_id DROP NOT NULL;
+ALTER TABLE emr_archive_record ALTER COLUMN archive_type DROP NOT NULL;
+
+-- ==========================================
+-- 2. emr_search_index 表修复
+-- ==========================================
+
+-- 修复NOT NULL约束
+ALTER TABLE emr_search_index ALTER COLUMN emr_id DROP NOT NULL;
+ALTER TABLE emr_search_index ALTER COLUMN encounter_id DROP NOT NULL;
+ALTER TABLE emr_search_index ALTER COLUMN patient_id DROP NOT NULL;
+
+-- ==========================================
+-- 3. emr_revision 表修复
+-- ==========================================
+
+-- 添加缺失的审计字段
+DO $$
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name = 'emr_revision' AND column_name = 'create_by') THEN
+        ALTER TABLE emr_revision ADD COLUMN create_by character varying;
+    END IF;
+    IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name = 'emr_revision' AND column_name = 'tenant_id') THEN
+        ALTER TABLE emr_revision ADD COLUMN tenant_id bigint;
+    END IF;
+    IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name = 'emr_revision' AND column_name = 'update_by') THEN
+        ALTER TABLE emr_revision ADD COLUMN update_by character varying;
+    END IF;
+    IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name = 'emr_revision' AND column_name = 'update_time') THEN
+        ALTER TABLE emr_revision ADD COLUMN update_time timestamp without time zone;
+    END IF;
+    IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name = 'emr_revision' AND column_name = 'delete_flag') THEN
+        ALTER TABLE emr_revision ADD COLUMN delete_flag character varying;
+    END IF;
+END $$;
+
+-- ==========================================
+-- 4. 添加索引以优化查询性能
+-- ==========================================
+
+-- emr_archive_record 索引
+CREATE INDEX IF NOT EXISTS idx_emr_archive_patient_name ON emr_archive_record(patient_name);
+CREATE INDEX IF NOT EXISTS idx_emr_archive_status ON emr_archive_record(archive_status);
+CREATE INDEX IF NOT EXISTS idx_emr_archive_encounter ON emr_archive_record(encounter_id);
+
+-- emr_search_index 索引
+CREATE INDEX IF NOT EXISTS idx_emr_search_patient ON emr_search_index(patient_name);
+CREATE INDEX IF NOT EXISTS idx_emr_search_type ON emr_search_index(emr_type);
+CREATE INDEX IF NOT EXISTS idx_emr_search_doctor ON emr_search_index(doctor_name);
+CREATE INDEX IF NOT EXISTS idx_emr_search_dept ON emr_search_index(department_name);
+
+-- emr_revision 索引
+CREATE INDEX IF NOT EXISTS idx_emr_revision_emr ON emr_revision(emr_id);
+CREATE INDEX IF NOT EXISTS idx_emr_revision_operator ON emr_revision(operator_name);