diff --git a/app/src/main/java/com/gh/common/util/DialogUtils.java b/app/src/main/java/com/gh/common/util/DialogUtils.java
index d889105f07..49daa78fdb 100644
--- a/app/src/main/java/com/gh/common/util/DialogUtils.java
+++ b/app/src/main/java/com/gh/common/util/DialogUtils.java
@@ -240,7 +240,7 @@ public class DialogUtils {
             if (TextUtils.isEmpty(size)) {
                 return false;
             }
-            String mb = size.toUpperCase().replaceAll("MB", "").trim();
+            String mb = size.toUpperCase().replace("MB", "").trim();
             Float i = Float.valueOf(mb);
             if (NetworkUtils.isWifiOr4GConnected(context) && i <= 50) {
                 AppExecutor.getUiExecutor().executeWithDelay(() -> Utils.toast(context, "当前使用移动网络下载，请注意流量消耗"), 500);
diff --git a/app/src/main/java/com/gh/common/view/ExpandAndCloseTextView.java b/app/src/main/java/com/gh/common/view/ExpandAndCloseTextView.java
index cc8522c165..69afeb6cad 100644
--- a/app/src/main/java/com/gh/common/view/ExpandAndCloseTextView.java
+++ b/app/src/main/java/com/gh/common/view/ExpandAndCloseTextView.java
@@ -505,7 +505,7 @@ public class ExpandAndCloseTextView extends AppCompatTextView {
         final float tvWidth = initWidth - getPaddingLeft() - getPaddingRight(); //控件可用宽度
 
         //将原始文本按行拆分
-        String[] rawTextLines = rawText.replaceAll("\r", "").split("\n");
+        String[] rawTextLines = rawText.replace("\r", "").split("\n");
         StringBuilder sbNewText = new StringBuilder();
         for (String rawTextLine : rawTextLines) {
             if (tvPaint.measureText(rawTextLine) <= tvWidth) {
diff --git a/app/src/main/java/com/gh/common/view/dsbridge/DWebView.java b/app/src/main/java/com/gh/common/view/dsbridge/DWebView.java
index e007358420..6f529ea1e4 100644
--- a/app/src/main/java/com/gh/common/view/dsbridge/DWebView.java
+++ b/app/src/main/java/com/gh/common/view/dsbridge/DWebView.java
@@ -74,7 +74,7 @@ public class DWebView extends WebView {
         private void PrintDebugInfo(String error) {
             Log.d(LOG_TAG, error);
             if (isDebug) {
-                evaluateJavascript(String.format("alert('%s')", "DEBUG ERR MSG:\\n" + error.replaceAll("\\'", "\\\\'")));
+                evaluateJavascript(String.format("alert('%s')", "DEBUG ERR MSG:\\n" + error.replace("\\'", "\\\\'")));
             }
         }
 
diff --git a/app/src/main/java/com/gh/gamecenter/gamedetail/fuli/libao/GameLibaoGalleryAdapter.java b/app/src/main/java/com/gh/gamecenter/gamedetail/fuli/libao/GameLibaoGalleryAdapter.java
index e3464fdb4d..2f5a6546a6 100644
--- a/app/src/main/java/com/gh/gamecenter/gamedetail/fuli/libao/GameLibaoGalleryAdapter.java
+++ b/app/src/main/java/com/gh/gamecenter/gamedetail/fuli/libao/GameLibaoGalleryAdapter.java
@@ -48,7 +48,7 @@ public class GameLibaoGalleryAdapter extends BaseRecyclerAdapter<GameLibaoGaller
         holder.libaoName.setText(libaoEntity.getName());
         String content = libaoEntity.getContent();
         if (content != null && content.contains("<br/>")) {
-            content = content.replaceAll("<br/>", " ");
+            content = content.replace("<br/>", " ");
         }
         holder.libaoDes.setText(content);
         if (libaoEntity.getStatus() == null) return;
diff --git a/app/src/main/java/com/gh/gamecenter/manager/DataCollectionManager.java b/app/src/main/java/com/gh/gamecenter/manager/DataCollectionManager.java
index 924aac3127..e4067eea9f 100644
--- a/app/src/main/java/com/gh/gamecenter/manager/DataCollectionManager.java
+++ b/app/src/main/java/com/gh/gamecenter/manager/DataCollectionManager.java
@@ -86,7 +86,7 @@ public class DataCollectionManager {
     }
 
     public static void onEvent(Context context, String type, String data, boolean isUpload) {
-        String id = UUID.randomUUID().toString().replaceAll("-", "");
+        String id = UUID.randomUUID().toString().replace("-", "");
         DataCollectionInfo entity = new DataCollectionInfo();
         entity.setId(id);
         entity.setType(type);
@@ -151,7 +151,7 @@ public class DataCollectionManager {
 
     public static void upsert(Context context, String type, Map<String, Object> map) {
         map.put("createdOn", Utils.getTime(context));
-        String id = UUID.randomUUID().toString().replaceAll("-", "");
+        String id = UUID.randomUUID().toString().replace("-", "");
         DataCollectionInfo entity = new DataCollectionInfo();
         entity.setId(id);
         entity.setType(type);
diff --git a/app/src/main/java/com/gh/gamecenter/retrofit/FileRequestBody.java b/app/src/main/java/com/gh/gamecenter/retrofit/FileRequestBody.java
index e3651c5375..00b5037209 100644
--- a/app/src/main/java/com/gh/gamecenter/retrofit/FileRequestBody.java
+++ b/app/src/main/java/com/gh/gamecenter/retrofit/FileRequestBody.java
@@ -62,7 +62,7 @@ public class FileRequestBody<T> extends RequestBody {
     }
 
     private String getBoundary() {
-        return UUID.randomUUID().toString().replaceAll("-", "").substring(0, 16);
+        return UUID.randomUUID().toString().replace("-", "").substring(0, 16);
     }
 
     private class ProgressUpdater implements Runnable {
diff --git a/libraries/Matisse/src/main/java/com/zhihu/matisse/internal/utils/PhotoMetadataUtils.java b/libraries/Matisse/src/main/java/com/zhihu/matisse/internal/utils/PhotoMetadataUtils.java
index bac98df85a..ecd746e0f8 100644
--- a/libraries/Matisse/src/main/java/com/zhihu/matisse/internal/utils/PhotoMetadataUtils.java
+++ b/libraries/Matisse/src/main/java/com/zhihu/matisse/internal/utils/PhotoMetadataUtils.java
@@ -172,7 +172,7 @@ public final class PhotoMetadataUtils {
         df.applyPattern("0.0");
         String result = df.format((float) sizeInBytes / 1024 / 1024);
         Log.e(TAG, "getSizeInMB: " + result);
-        result = result.replaceAll(",","."); // in some case , 0.0 will be 0,0
+        result = result.replace(",","."); // in some case , 0.0 will be 0,0
         return Float.valueOf(result);
     }
 }