diff --git a/pages/home/index.js b/pages/home/index.js
index fd7af37..59f0113 100644
--- a/pages/home/index.js
+++ b/pages/home/index.js
@@ -34,6 +34,8 @@ Page({
     weightData: [],
     heightChart: null,
     weightChart: null,
+    directChart: null,
+    indirectChart: null,
     carList: [],
     carLength: 0,
     userInfo: {},
@@ -145,6 +147,14 @@ Page({
       this.weightChart.dispose();
       this.weightChart = null;
     }
+    if (this.directChart) {
+      this.directChart.dispose();
+      this.directChart = null;
+    }
+    if (this.indirectChart) {
+      this.indirectChart.dispose();
+      this.indirectChart = null;
+    }
   },
 
   // 初始化身高图表
@@ -318,6 +328,7 @@ Page({
 
           ]
         });
+        this.directChart = chart;
         return chart;
       });
     }
@@ -353,6 +364,7 @@ Page({
 
           ]
         });
+        this.indirectChart = chart;
         return chart;
       });
     }