diff --git a/AssetManager.Services/PortfolioService.cs b/AssetManager.Services/PortfolioService.cs
index 3074f15..4e70232 100644
--- a/AssetManager.Services/PortfolioService.cs
+++ b/AssetManager.Services/PortfolioService.cs
@@ -51,7 +51,14 @@ public class PortfolioService : IPortfolioService
                     // 风险平价策略
                     if (strategy.Type?.Equals("risk_parity", StringComparison.OrdinalIgnoreCase) == true)
                     {
-                        var config = System.Text.Json.JsonSerializer.Deserialize<RiskParityConfig>(strategy.Config);
+                        // 处理可能的双层转义
+                        string configJson = strategy.Config;
+                        if (configJson.StartsWith("\"") && configJson.EndsWith("\""))
+                        {
+                            // 去掉外层的引号和转义
+                            configJson = System.Text.Json.JsonSerializer.Deserialize<string>(configJson);
+                        }
+                        var config = System.Text.Json.JsonSerializer.Deserialize<RiskParityConfig>(configJson);
                         if (config?.Assets != null)
                         {
                             foreach (var asset in config.Assets)