diff --git a/app/src/main/java/com/github/tvbox/osc/util/SearchHelper.java b/app/src/main/java/com/github/tvbox/osc/util/SearchHelper.java
index 57c9c8c8..3f0f8a60 100644
--- a/app/src/main/java/com/github/tvbox/osc/util/SearchHelper.java
+++ b/app/src/main/java/com/github/tvbox/osc/util/SearchHelper.java
@@ -8,7 +8,9 @@ import com.orhanobut.hawk.Hawk;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashMap;
+import java.util.Map;
 import java.util.List;
+import java.util.Iterator;
 
 public class SearchHelper {
 
@@ -22,7 +24,26 @@ public class SearchHelper {
         } catch (Exception e) {
             return null;
         }
-        if (mCheckSources == null || mCheckSources.isEmpty()) mCheckSources = getSources();
+        if (mCheckSources == null || mCheckSources.isEmpty()) {
+            mCheckSources = getSources();
+        } else {
+            HashMap<String, String> newSources = getSources();
+            for (Map.Entry<String, String> entry : newSources.entrySet()) {
+                String newKey = entry.getKey();
+                String newValue = entry.getValue();
+                if (!mCheckSources.containsKey(newKey)) {
+                    mCheckSources.put(newKey, newValue);
+                }
+            }
+            Iterator<Map.Entry<String, String>> iterator = mCheckSources.entrySet().iterator();
+            while (iterator.hasNext()) {
+                Map.Entry<String, String> oldEntry = iterator.next();
+                String oldKey = oldEntry.getKey();
+                if (!newSources.containsKey(oldKey)) {
+                    iterator.remove();
+                }
+            }
+        }
         return mCheckSources;
     }