diff --git a/server/Dockerfile b/server/Dockerfile
index dbac3589..a57eaaef 100644
--- a/server/Dockerfile
+++ b/server/Dockerfile
@@ -24,7 +24,10 @@ WORKDIR /app
 
 COPY --from=build /app/skillhub-app/target/*.jar app.jar
 
-RUN chown -R app:app /app
+# Create storage directory and set permissions
+RUN mkdir -p /var/lib/skillhub/storage && \
+    chown -R app:app /app /var/lib/skillhub/storage
+
 USER app
 
 EXPOSE 8080
diff --git a/server/skillhub-app/src/main/resources/db/migration/V7__fix_audit_log_jsonb_type.sql b/server/skillhub-app/src/main/resources/db/migration/V7__fix_audit_log_jsonb_type.sql
new file mode 100644
index 00000000..becd1661
--- /dev/null
+++ b/server/skillhub-app/src/main/resources/db/migration/V7__fix_audit_log_jsonb_type.sql
@@ -0,0 +1,12 @@
+-- Fix audit_log detail_json column to properly handle JSONB type
+-- This migration ensures existing data is compatible with the JSONB type
+
+-- The column is already defined as jsonb in V1, but we need to ensure
+-- any existing string data can be properly cast to jsonb
+ALTER TABLE audit_log
+ALTER COLUMN detail_json TYPE jsonb
+USING CASE
+    WHEN detail_json IS NULL THEN NULL
+    WHEN detail_json = '' THEN NULL
+    ELSE detail_json::jsonb
+END;
diff --git a/server/skillhub-domain/src/main/java/com/iflytek/skillhub/domain/audit/AuditLog.java b/server/skillhub-domain/src/main/java/com/iflytek/skillhub/domain/audit/AuditLog.java
index 61352599..2c7e9eea 100644
--- a/server/skillhub-domain/src/main/java/com/iflytek/skillhub/domain/audit/AuditLog.java
+++ b/server/skillhub-domain/src/main/java/com/iflytek/skillhub/domain/audit/AuditLog.java
@@ -7,6 +7,8 @@ import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
 import jakarta.persistence.PrePersist;
 import jakarta.persistence.Table;
+import org.hibernate.annotations.JdbcTypeCode;
+import org.hibernate.type.SqlTypes;
 import java.time.Instant;
 
 @Entity
@@ -38,7 +40,8 @@ public class AuditLog {
     @Column(name = "user_agent", length = 512)
     private String userAgent;
 
-    @Column(name = "detail_json", columnDefinition = "jsonb")
+    @Column(name = "detail_json")
+    @JdbcTypeCode(SqlTypes.JSON)
     private String detailJson;
 
     @Column(name = "created_at", nullable = false, updatable = false)